Monthly Analysis
January 2026 Diamond Market Report
Data as of January 31, 2026
Diamond Market Snapshot
In January 2026, the CaratRadar Diamond Price Index stood at $3,931, reflecting the weighted average retail price across 7,506,611 certified diamonds tracked from leading diamond retailers worldwide. Natural diamonds averaged $6,134 compared to $2,450 for lab-grown equivalents, a ratio of 2.5x.
Shape-by-Shape Analysis
Month-over-month price changes by shape and diamond type.
Round
Lab Grown
$2,176
1,539,252 diamonds
vs last month
-7.6%Natural
$5,050
1,587,051 diamonds
vs last month
-0.3%Oval
Lab Grown
$2,811
727,542 diamonds
vs last month
-8.4%Natural
$8,418
335,516 diamonds
vs last month
-1.9%Cushion
Lab Grown
$3,094
281,972 diamonds
vs last month
-3.9%Natural
$10,356
139,932 diamonds
vs last month
-2.2%Princess
Lab Grown
$2,196
244,574 diamonds
vs last month
-5.3%Natural
$6,251
117,624 diamonds
vs last month
-3.3%Emerald
Lab Grown
$2,527
444,091 diamonds
vs last month
-4.3%Natural
$6,853
283,741 diamonds
vs last month
-1.5%Pear
Lab Grown
$2,253
398,876 diamonds
vs last month
-3.7%Natural
$5,478
243,471 diamonds
vs last month
-1.5%Marquise
Lab Grown
$2,191
264,317 diamonds
vs last month
-3.5%Natural
$5,384
72,623 diamonds
vs last month
-4.3%Radiant
Lab Grown
$2,757
402,621 diamonds
vs last month
-4.4%Natural
$11,826
84,057 diamonds
vs last month
-2.4%Heart
Lab Grown
$2,487
125,379 diamonds
vs last month
-4.6%Natural
$4,814
109,567 diamonds
vs last month
-2.4%Asscher
Lab Grown
$2,887
61,085 diamonds
vs last month
-4.4%Natural
$6,724
43,320 diamonds
vs last month
-3.2%Key Takeaways
- ✓Lab-grown diamonds continue to offer significant value compared to natural equivalents.
- ✓Round and oval cuts remain the most liquid market segments with the most comparable listings.
- ✓Price spreads between retailers vary significantly, so use CaratRadar to find the best price for the exact same certified stone.
About This Report
This report is generated automatically from CaratRadar's live diamond pricing database, which aggregates daily data from major diamond retailers. All prices are averages across active listings and may not reflect individual diamond prices. Data updated daily.
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