{
 "schema_version": 1,
 "methodology_version": "1.0",
 "release": "2026-10",
 "generated_at": "2026-11-02T04:14:42.650313Z",
 "unit": "USD per carat (pinned-rate internal unit of account; see methodology)",
 "sampling": "systematic 1-in-10 sample of listings; latest observation per listing per calendar month",
 "filters": {
  "carat_min": 0.25,
  "carat_max": 10.0,
  "ppc_min": 100,
  "ppc_max": 100000
 },
 "monthly_series": [
  {
   "month": "2025-12",
   "segments": {
    "lab_grown": {
     "listings_observed": 510200,
     "median_usd_per_carat": 781.82,
     "q1_usd_per_carat": 534.17,
     "q3_usd_per_carat": 1132.61
    },
    "natural": {
     "listings_observed": 359319,
     "median_usd_per_carat": 2119.31,
     "q1_usd_per_carat": 1537.31,
     "q3_usd_per_carat": 3297.9
    },
    "overall": {
     "listings_observed": 872922,
     "median_usd_per_carat": 1190.61,
     "q1_usd_per_carat": 685.06,
     "q3_usd_per_carat": 2099.5
    }
   }
  },
  {
   "month": "2026-01",
   "segments": {
    "lab_grown": {
     "listings_observed": 529162,
     "median_usd_per_carat": 710.85,
     "q1_usd_per_carat": 494.36,
     "q3_usd_per_carat": 1040.89
    },
    "natural": {
     "listings_observed": 253971,
     "median_usd_per_carat": 2202.86,
     "q1_usd_per_carat": 1610.0,
     "q3_usd_per_carat": 3412.43
    },
    "overall": {
     "listings_observed": 783415,
     "median_usd_per_carat": 1002.04,
     "q1_usd_per_carat": 607.95,
     "q3_usd_per_carat": 1871.43
    }
   }
  },
  {
   "month": "2026-02",
   "segments": {
    "lab_grown": {
     "listings_observed": 1071020,
     "median_usd_per_carat": 663.27,
     "q1_usd_per_carat": 441.89,
     "q3_usd_per_carat": 950.0
    },
    "natural": {
     "listings_observed": 676172,
     "median_usd_per_carat": 2339.45,
     "q1_usd_per_carat": 1631.43,
     "q3_usd_per_carat": 3816.65
    },
    "overall": {
     "listings_observed": 1747415,
     "median_usd_per_carat": 1034.12,
     "q1_usd_per_carat": 584.36,
     "q3_usd_per_carat": 2091.43
    }
   }
  },
  {
   "month": "2026-03",
   "segments": {
    "lab_grown": {
     "listings_observed": 1417474,
     "median_usd_per_carat": 558.75,
     "q1_usd_per_carat": 363.42,
     "q3_usd_per_carat": 833.36
    },
    "natural": {
     "listings_observed": 782407,
     "median_usd_per_carat": 2224.39,
     "q1_usd_per_carat": 1562.46,
     "q3_usd_per_carat": 3648.14
    },
    "overall": {
     "listings_observed": 2199953,
     "median_usd_per_carat": 856.67,
     "q1_usd_per_carat": 463.24,
     "q3_usd_per_carat": 1866.61
    }
   }
  },
  {
   "month": "2026-04",
   "segments": {
    "lab_grown": {
     "listings_observed": 1345896,
     "median_usd_per_carat": 528.67,
     "q1_usd_per_carat": 370.34,
     "q3_usd_per_carat": 808.81
    },
    "natural": {
     "listings_observed": 803818,
     "median_usd_per_carat": 2227.7,
     "q1_usd_per_carat": 1553.53,
     "q3_usd_per_carat": 3766.77
    },
    "overall": {
     "listings_observed": 2149723,
     "median_usd_per_carat": 869.8,
     "q1_usd_per_carat": 455.12,
     "q3_usd_per_carat": 1960.0
    }
   }
  },
  {
   "month": "2026-05",
   "segments": {
    "lab_grown": {
     "listings_observed": 1296225,
     "median_usd_per_carat": 535.92,
     "q1_usd_per_carat": 398.13,
     "q3_usd_per_carat": 795.5
    },
    "natural": {
     "listings_observed": 756973,
     "median_usd_per_carat": 2228.0,
     "q1_usd_per_carat": 1543.11,
     "q3_usd_per_carat": 3717.27
    },
    "overall": {
     "listings_observed": 2053203,
     "median_usd_per_carat": 841.87,
     "q1_usd_per_carat": 468.57,
     "q3_usd_per_carat": 1906.67
    }
   }
  },
  {
   "month": "2026-06",
   "segments": {
    "lab_grown": {
     "listings_observed": 1494014,
     "median_usd_per_carat": 499.07,
     "q1_usd_per_carat": 344.97,
     "q3_usd_per_carat": 738.0
    },
    "natural": {
     "listings_observed": 773292,
     "median_usd_per_carat": 2270.0,
     "q1_usd_per_carat": 1537.5,
     "q3_usd_per_carat": 3856.43
    },
    "overall": {
     "listings_observed": 2267311,
     "median_usd_per_carat": 740.21,
     "q1_usd_per_carat": 416.0,
     "q3_usd_per_carat": 1825.44
    }
   }
  },
  {
   "month": "2026-07",
   "segments": {
    "lab_grown": {
     "listings_observed": 1249659,
     "median_usd_per_carat": 523.4,
     "q1_usd_per_carat": 347.37,
     "q3_usd_per_carat": 819.81
    },
    "natural": {
     "listings_observed": 747234,
     "median_usd_per_carat": 2346.15,
     "q1_usd_per_carat": 1604.0,
     "q3_usd_per_carat": 3911.91
    },
    "overall": {
     "listings_observed": 1996898,
     "median_usd_per_carat": 878.53,
     "q1_usd_per_carat": 446.77,
     "q3_usd_per_carat": 2034.31
    }
   }
  },
  {
   "month": "2026-08",
   "segments": {
    "lab_grown": {
     "listings_observed": 1418933,
     "median_usd_per_carat": 465.13,
     "q1_usd_per_carat": 315.06,
     "q3_usd_per_carat": 761.64
    },
    "natural": {
     "listings_observed": 740892,
     "median_usd_per_carat": 2171.98,
     "q1_usd_per_carat": 1506.45,
     "q3_usd_per_carat": 3725.0
    },
    "overall": {
     "listings_observed": 2159838,
     "median_usd_per_carat": 769.08,
     "q1_usd_per_carat": 375.12,
     "q3_usd_per_carat": 1749.36
    }
   }
  },
  {
   "month": "2026-09",
   "segments": {
    "lab_grown": {
     "listings_observed": 2183910,
     "median_usd_per_carat": 452.54,
     "q1_usd_per_carat": 291.66,
     "q3_usd_per_carat": 762.79
    },
    "natural": {
     "listings_observed": 1270640,
     "median_usd_per_carat": 2360.61,
     "q1_usd_per_carat": 1577.26,
     "q3_usd_per_carat": 4024.88
    },
    "overall": {
     "listings_observed": 3454562,
     "median_usd_per_carat": 813.31,
     "q1_usd_per_carat": 365.88,
     "q3_usd_per_carat": 1946.15
    }
   }
  },
  {
   "month": "2026-10",
   "segments": {
    "lab_grown": {
     "listings_observed": 2297795,
     "median_usd_per_carat": 462.37,
     "q1_usd_per_carat": 285.44,
     "q3_usd_per_carat": 773.26
    },
    "natural": {
     "listings_observed": 1297040,
     "median_usd_per_carat": 2202.24,
     "q1_usd_per_carat": 1533.33,
     "q3_usd_per_carat": 3746.5
    },
    "overall": {
     "listings_observed": 3594842,
     "median_usd_per_carat": 812.75,
     "q1_usd_per_carat": 366.19,
     "q3_usd_per_carat": 1841.72
    }
   }
  }
 ],
 "deltas": {
  "natural": {
   "mom_pct": -6.71
  },
  "lab_grown": {
   "mom_pct": 2.17
  },
  "overall": {
   "mom_pct": -0.07
  }
 },
 "cross_retailer_spread": {
  "lab_grown": {
   "multi_retailer_diamonds": 1448323,
   "avg_spread_pct": 203.7,
   "median_spread_pct": 215.4,
   "total_spread_usd": 2234172277
  },
  "natural": {
   "multi_retailer_diamonds": 1566683,
   "avg_spread_pct": 97.6,
   "median_spread_pct": 77.1,
   "total_spread_usd": 3678270038
  }
 },
 "cross_retailer_spread_basis": "confirmed",
 "counts": {
  "active_retailers": 144,
  "active_listings": 50205086,
  "certified_diamonds": 12600976,
  "cross_retailer_diamonds": 4772681,
  "counts_as_of": "2026-10"
 },
 "min_cell_obs": 150,
 "by_shape": {
  "ROUND": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 1998.62,
     "listings_observed": 201767
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2063.64,
     "listings_observed": 137787
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2229.55,
     "listings_observed": 335643
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2119.42,
     "listings_observed": 414758
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2136.07,
     "listings_observed": 399444
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2155.56,
     "listings_observed": 381138
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2133.6,
     "listings_observed": 379304
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2227.59,
     "listings_observed": 377403
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2090.2,
     "listings_observed": 363878
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2281.69,
     "listings_observed": 704653
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2124.21,
     "listings_observed": 739229
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 757.02,
     "listings_observed": 138192
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 719.29,
     "listings_observed": 141791
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 660.19,
     "listings_observed": 336472
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 557.48,
     "listings_observed": 472951
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 532.59,
     "listings_observed": 492224
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 535.45,
     "listings_observed": 488513
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 481.19,
     "listings_observed": 540964
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 497.3,
     "listings_observed": 470056
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 435.48,
     "listings_observed": 519029
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 417.76,
     "listings_observed": 806726
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 425.0,
     "listings_observed": 761306
    }
   ]
  },
  "OVAL": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2490.0,
     "listings_observed": 39227
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2687.68,
     "listings_observed": 30019
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2639.79,
     "listings_observed": 85457
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2671.7,
     "listings_observed": 83158
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2657.99,
     "listings_observed": 103471
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2603.96,
     "listings_observed": 99364
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2716.48,
     "listings_observed": 99629
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2717.0,
     "listings_observed": 93784
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2410.0,
     "listings_observed": 84956
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2705.38,
     "listings_observed": 128043
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2511.55,
     "listings_observed": 121430
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 849.76,
     "listings_observed": 68995
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 744.74,
     "listings_observed": 86543
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 674.73,
     "listings_observed": 188121
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 567.72,
     "listings_observed": 261706
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 526.32,
     "listings_observed": 245191
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 537.75,
     "listings_observed": 222536
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 515.0,
     "listings_observed": 256271
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 546.67,
     "listings_observed": 207096
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 489.32,
     "listings_observed": 239244
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 463.3,
     "listings_observed": 346587
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 478.64,
     "listings_observed": 370387
    }
   ]
  },
  "CUSHION": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2703.1,
     "listings_observed": 11360
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2585.27,
     "listings_observed": 8224
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2825.48,
     "listings_observed": 30682
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2675.73,
     "listings_observed": 33587
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2701.77,
     "listings_observed": 35033
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2692.37,
     "listings_observed": 34235
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2848.24,
     "listings_observed": 38411
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2852.34,
     "listings_observed": 40344
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2898.69,
     "listings_observed": 39680
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2954.41,
     "listings_observed": 57289
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2880.87,
     "listings_observed": 56324
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 818.3,
     "listings_observed": 39114
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 742.15,
     "listings_observed": 39541
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 697.17,
     "listings_observed": 71148
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 584.87,
     "listings_observed": 84610
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 539.52,
     "listings_observed": 76943
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 551.11,
     "listings_observed": 85358
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 537.08,
     "listings_observed": 101577
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 555.45,
     "listings_observed": 89077
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 482.76,
     "listings_observed": 101857
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 531.21,
     "listings_observed": 141266
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 555.04,
     "listings_observed": 149398
    }
   ]
  },
  "PRINCESS": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2171.43,
     "listings_observed": 13672
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2247.06,
     "listings_observed": 8576
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2259.5,
     "listings_observed": 26629
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2135.28,
     "listings_observed": 29432
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2099.0,
     "listings_observed": 27045
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2038.34,
     "listings_observed": 25050
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2254.13,
     "listings_observed": 28664
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2186.62,
     "listings_observed": 26597
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2041.23,
     "listings_observed": 26982
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2167.99,
     "listings_observed": 42823
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 1991.13,
     "listings_observed": 41268
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 778.8,
     "listings_observed": 37004
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 696.54,
     "listings_observed": 35337
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 659.31,
     "listings_observed": 70986
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 574.16,
     "listings_observed": 79804
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 516.1,
     "listings_observed": 65524
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 555.11,
     "listings_observed": 57638
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 493.37,
     "listings_observed": 66334
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 520.3,
     "listings_observed": 55527
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 484.55,
     "listings_observed": 63904
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 471.81,
     "listings_observed": 101293
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 458.23,
     "listings_observed": 110037
    }
   ]
  },
  "EMERALD": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 1978.66,
     "listings_observed": 32033
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2080.13,
     "listings_observed": 22779
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2203.82,
     "listings_observed": 62241
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2114.29,
     "listings_observed": 68338
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2102.63,
     "listings_observed": 74530
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2195.1,
     "listings_observed": 63499
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2353.75,
     "listings_observed": 66575
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2371.0,
     "listings_observed": 54356
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2149.27,
     "listings_observed": 60245
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2294.56,
     "listings_observed": 92435
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2108.85,
     "listings_observed": 92566
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 700.33,
     "listings_observed": 65424
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 634.29,
     "listings_observed": 60665
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 613.37,
     "listings_observed": 113350
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 537.02,
     "listings_observed": 124041
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 525.97,
     "listings_observed": 106343
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 536.77,
     "listings_observed": 89085
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 487.5,
     "listings_observed": 105199
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 526.11,
     "listings_observed": 86388
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 491.74,
     "listings_observed": 94468
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 469.94,
     "listings_observed": 172316
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 467.94,
     "listings_observed": 195679
    }
   ]
  },
  "PEAR": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2173.44,
     "listings_observed": 29411
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2260.0,
     "listings_observed": 23928
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2284.38,
     "listings_observed": 62651
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2180.41,
     "listings_observed": 67585
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2150.4,
     "listings_observed": 75476
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2107.5,
     "listings_observed": 70104
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2167.38,
     "listings_observed": 72630
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2318.67,
     "listings_observed": 65029
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2028.6,
     "listings_observed": 74101
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2314.37,
     "listings_observed": 104898
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2260.8,
     "listings_observed": 107169
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 806.43,
     "listings_observed": 49839
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 723.56,
     "listings_observed": 48258
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 705.29,
     "listings_observed": 86664
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 574.35,
     "listings_observed": 120115
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 526.67,
     "listings_observed": 118292
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 510.19,
     "listings_observed": 120346
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 501.27,
     "listings_observed": 147624
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 524.27,
     "listings_observed": 125224
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 476.64,
     "listings_observed": 146120
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 462.69,
     "listings_observed": 222885
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 468.91,
     "listings_observed": 240322
    }
   ]
  },
  "MARQUISE": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2318.0,
     "listings_observed": 5655
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2380.0,
     "listings_observed": 5113
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2374.83,
     "listings_observed": 15553
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2297.65,
     "listings_observed": 20401
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2278.5,
     "listings_observed": 22552
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2194.85,
     "listings_observed": 23942
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2224.24,
     "listings_observed": 25382
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2321.56,
     "listings_observed": 25470
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2047.5,
     "listings_observed": 30401
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2272.0,
     "listings_observed": 41989
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2176.86,
     "listings_observed": 44893
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 800.52,
     "listings_observed": 33005
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 720.88,
     "listings_observed": 35707
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 665.67,
     "listings_observed": 61737
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 569.11,
     "listings_observed": 89568
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 518.31,
     "listings_observed": 83483
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 544.74,
     "listings_observed": 95582
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 525.23,
     "listings_observed": 105913
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 581.98,
     "listings_observed": 74241
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 500.5,
     "listings_observed": 95001
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 496.51,
     "listings_observed": 128368
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 504.55,
     "listings_observed": 169364
    }
   ]
  },
  "RADIANT": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2905.04,
     "listings_observed": 6370
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2985.03,
     "listings_observed": 3717
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 3188.24,
     "listings_observed": 15917
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2838.39,
     "listings_observed": 16170
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2831.5,
     "listings_observed": 18171
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2552.63,
     "listings_observed": 17660
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2700.0,
     "listings_observed": 21194
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2651.76,
     "listings_observed": 22609
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2732.59,
     "listings_observed": 21420
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 3097.39,
     "listings_observed": 35041
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 3108.17,
     "listings_observed": 32502
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 769.26,
     "listings_observed": 50906
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 672.16,
     "listings_observed": 54131
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 644.93,
     "listings_observed": 93711
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 524.5,
     "listings_observed": 121526
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 517.6,
     "listings_observed": 107629
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 509.86,
     "listings_observed": 88539
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 509.24,
     "listings_observed": 112116
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 548.73,
     "listings_observed": 89076
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 484.27,
     "listings_observed": 102601
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 492.45,
     "listings_observed": 155845
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 489.06,
     "listings_observed": 171638
    }
   ]
  },
  "ASSCHER": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2698.18,
     "listings_observed": 5105
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2639.94,
     "listings_observed": 3114
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2764.39,
     "listings_observed": 10632
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2337.5,
     "listings_observed": 11999
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2240.74,
     "listings_observed": 12463
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2194.5,
     "listings_observed": 11291
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2385.55,
     "listings_observed": 13460
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2372.28,
     "listings_observed": 12588
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2589.98,
     "listings_observed": 12580
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2508.52,
     "listings_observed": 20417
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2432.1,
     "listings_observed": 18144
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 827.17,
     "listings_observed": 11765
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 728.58,
     "listings_observed": 11734
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 649.61,
     "listings_observed": 19303
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 563.92,
     "listings_observed": 22696
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 548.14,
     "listings_observed": 18364
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 560.58,
     "listings_observed": 16906
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 537.65,
     "listings_observed": 21364
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 491.19,
     "listings_observed": 17571
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 491.82,
     "listings_observed": 20057
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 487.47,
     "listings_observed": 35787
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 494.83,
     "listings_observed": 41162
    }
   ]
  },
  "HEART": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2166.43,
     "listings_observed": 13929
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2196.03,
     "listings_observed": 9914
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2200.0,
     "listings_observed": 29148
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2080.99,
     "listings_observed": 33157
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2110.75,
     "listings_observed": 33955
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2109.13,
     "listings_observed": 29382
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2138.31,
     "listings_observed": 27046
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2219.21,
     "listings_observed": 27450
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2162.5,
     "listings_observed": 25387
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2376.67,
     "listings_observed": 41278
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2289.11,
     "listings_observed": 39555
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 734.61,
     "listings_observed": 14603
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 687.72,
     "listings_observed": 14552
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 664.59,
     "listings_observed": 25723
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 546.28,
     "listings_observed": 34113
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 528.48,
     "listings_observed": 27189
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 538.89,
     "listings_observed": 25681
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 478.05,
     "listings_observed": 30725
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 477.29,
     "listings_observed": 28476
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 429.05,
     "listings_observed": 29166
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 422.16,
     "listings_observed": 60573
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 428.16,
     "listings_observed": 73166
    }
   ]
  }
 },
 "by_lab": {
  "GIA": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2167.43,
     "listings_observed": 320436
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2255.82,
     "listings_observed": 223291
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2356.38,
     "listings_observed": 596991
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2282.78,
     "listings_observed": 677022
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2305.33,
     "listings_observed": 686083
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2302.5,
     "listings_observed": 642178
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2342.76,
     "listings_observed": 661619
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2383.5,
     "listings_observed": 590216
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2227.38,
     "listings_observed": 611126
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2409.8,
     "listings_observed": 1025807
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2263.37,
     "listings_observed": 1090573
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 1395.16,
     "listings_observed": 28043
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 1275.27,
     "listings_observed": 22388
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 1299.73,
     "listings_observed": 61020
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 1231.12,
     "listings_observed": 67304
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 1208.4,
     "listings_observed": 57566
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 1259.79,
     "listings_observed": 34259
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 1150.16,
     "listings_observed": 50366
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 1066.96,
     "listings_observed": 46154
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 976.22,
     "listings_observed": 37758
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 1002.97,
     "listings_observed": 72603
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 938.85,
     "listings_observed": 68428
    }
   ]
  },
  "IGI": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 1571.03,
     "listings_observed": 27748
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 1717.14,
     "listings_observed": 22317
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 1910.0,
     "listings_observed": 51423
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 1650.0,
     "listings_observed": 76086
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 1611.54,
     "listings_observed": 86003
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 1640.0,
     "listings_observed": 82884
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 1674.47,
     "listings_observed": 80632
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 1718.73,
     "listings_observed": 81559
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 1613.33,
     "listings_observed": 79301
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 1772.5,
     "listings_observed": 128812
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 1784.6,
     "listings_observed": 135332
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 737.59,
     "listings_observed": 438546
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 690.1,
     "listings_observed": 474933
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 641.87,
     "listings_observed": 981211
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 541.0,
     "listings_observed": 1312127
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 509.69,
     "listings_observed": 1249493
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 520.93,
     "listings_observed": 1213721
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 488.43,
     "listings_observed": 1406267
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 506.7,
     "listings_observed": 1158404
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 449.66,
     "listings_observed": 1328830
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 432.95,
     "listings_observed": 2014457
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 443.74,
     "listings_observed": 2127745
    }
   ]
  },
  "HRD": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 1626.49,
     "listings_observed": 5528
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 1543.53,
     "listings_observed": 4551
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 2411.88,
     "listings_observed": 11857
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2244.53,
     "listings_observed": 14418
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2447.81,
     "listings_observed": 16789
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2322.34,
     "listings_observed": 16812
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2320.67,
     "listings_observed": 16721
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2834.89,
     "listings_observed": 11798
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2711.58,
     "listings_observed": 11621
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2805.24,
     "listings_observed": 24544
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 2971.56,
     "listings_observed": 24320
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 544.56,
     "listings_observed": 310
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 458.37,
     "listings_observed": 220
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 636.63,
     "listings_observed": 417
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 1438.75,
     "listings_observed": 680
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 1886.52,
     "listings_observed": 468
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2182.3,
     "listings_observed": 195
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 1234.61,
     "listings_observed": 241
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2394.0,
     "listings_observed": 346
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": null,
     "listings_observed": 86
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 770.59,
     "listings_observed": 640
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 458.61,
     "listings_observed": 207
    }
   ]
  },
  "GCAL": {
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 609.99,
     "listings_observed": 571
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 646.23,
     "listings_observed": 703
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 1319.15,
     "listings_observed": 4387
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 1208.52,
     "listings_observed": 7120
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 1118.09,
     "listings_observed": 6580
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 1286.21,
     "listings_observed": 7408
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 1139.06,
     "listings_observed": 11125
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 842.13,
     "listings_observed": 8640
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 983.81,
     "listings_observed": 10492
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 984.79,
     "listings_observed": 18324
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 980.68,
     "listings_observed": 17843
    }
   ]
  },
  "EGL": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2418.0,
     "listings_observed": 183
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": null,
     "listings_observed": 69
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 3126.19,
     "listings_observed": 209
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 2830.71,
     "listings_observed": 364
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 3403.09,
     "listings_observed": 353
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 3326.0,
     "listings_observed": 275
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2967.35,
     "listings_observed": 404
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 3202.67,
     "listings_observed": 285
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 3014.66,
     "listings_observed": 206
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 3213.0,
     "listings_observed": 953
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 3337.28,
     "listings_observed": 687
    }
   ]
  },
  "OTHER": {
   "natural": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 2200.0,
     "listings_observed": 5410
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 2653.85,
     "listings_observed": 3727
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 3868.18,
     "listings_observed": 15570
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 3162.91,
     "listings_observed": 14424
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 2786.21,
     "listings_observed": 14567
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 2680.0,
     "listings_observed": 14807
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 2700.0,
     "listings_observed": 13877
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 2809.1,
     "listings_observed": 63358
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 2486.96,
     "listings_observed": 38619
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 2587.0,
     "listings_observed": 90493
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 1819.52,
     "listings_observed": 46110
    }
   ],
   "lab_grown": [
    {
     "month": "2025-12",
     "median_usd_per_carat": 1131.28,
     "listings_observed": 42730
    },
    {
     "month": "2026-01",
     "median_usd_per_carat": 934.43,
     "listings_observed": 30918
    },
    {
     "month": "2026-02",
     "median_usd_per_carat": 801.33,
     "listings_observed": 23948
    },
    {
     "month": "2026-03",
     "median_usd_per_carat": 559.84,
     "listings_observed": 30173
    },
    {
     "month": "2026-04",
     "median_usd_per_carat": 659.98,
     "listings_observed": 31751
    },
    {
     "month": "2026-05",
     "median_usd_per_carat": 680.0,
     "listings_observed": 40624
    },
    {
     "month": "2026-06",
     "median_usd_per_carat": 480.05,
     "listings_observed": 25984
    },
    {
     "month": "2026-07",
     "median_usd_per_carat": 1150.0,
     "listings_observed": 36099
    },
    {
     "month": "2026-08",
     "median_usd_per_carat": 981.82,
     "listings_observed": 41758
    },
    {
     "month": "2026-09",
     "median_usd_per_carat": 804.88,
     "listings_observed": 77879
    },
    {
     "month": "2026-10",
     "median_usd_per_carat": 708.0,
     "listings_observed": 83567
    }
   ]
  }
 },
 "lab_vs_natural": [
  {
   "month": "2025-12",
   "natural": 2119.31,
   "lab_grown": 781.82,
   "natural_over_lab_ratio": 2.7,
   "natural_premium_pct": 171.1
  },
  {
   "month": "2026-01",
   "natural": 2202.86,
   "lab_grown": 710.85,
   "natural_over_lab_ratio": 3.1,
   "natural_premium_pct": 209.9
  },
  {
   "month": "2026-02",
   "natural": 2339.45,
   "lab_grown": 663.27,
   "natural_over_lab_ratio": 3.5,
   "natural_premium_pct": 252.7
  },
  {
   "month": "2026-03",
   "natural": 2224.39,
   "lab_grown": 558.75,
   "natural_over_lab_ratio": 4.0,
   "natural_premium_pct": 298.1
  },
  {
   "month": "2026-04",
   "natural": 2227.7,
   "lab_grown": 528.67,
   "natural_over_lab_ratio": 4.2,
   "natural_premium_pct": 321.4
  },
  {
   "month": "2026-05",
   "natural": 2228.0,
   "lab_grown": 535.92,
   "natural_over_lab_ratio": 4.2,
   "natural_premium_pct": 315.7
  },
  {
   "month": "2026-06",
   "natural": 2270.0,
   "lab_grown": 499.07,
   "natural_over_lab_ratio": 4.5,
   "natural_premium_pct": 354.8
  },
  {
   "month": "2026-07",
   "natural": 2346.15,
   "lab_grown": 523.4,
   "natural_over_lab_ratio": 4.5,
   "natural_premium_pct": 348.3
  },
  {
   "month": "2026-08",
   "natural": 2171.98,
   "lab_grown": 465.13,
   "natural_over_lab_ratio": 4.7,
   "natural_premium_pct": 367.0
  },
  {
   "month": "2026-09",
   "natural": 2360.61,
   "lab_grown": 452.54,
   "natural_over_lab_ratio": 5.2,
   "natural_premium_pct": 421.6
  },
  {
   "month": "2026-10",
   "natural": 2202.24,
   "lab_grown": 462.37,
   "natural_over_lab_ratio": 4.8,
   "natural_premium_pct": 376.3
  }
 ]
}