Monthly Analysis
April 2026 Diamond Market Report
Data as of April 30, 2026
Diamond Market Snapshot
In April 2026, the CaratRadar Diamond Price Index stood at $3,478, reflecting the weighted average retail price across 9,394,597 certified diamonds tracked from leading diamond retailers worldwide. Natural diamonds averaged $5,548 compared to $2,192 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
$1,870
2,082,091 diamonds
vs last month
-5.1%Natural
$4,607
1,871,894 diamonds
vs last month
-2.5%Oval
Lab Grown
$2,451
985,231 diamonds
vs last month
-2.1%Natural
$7,579
401,438 diamonds
vs last month
-3.3%Cushion
Lab Grown
$2,884
356,599 diamonds
vs last month
-2.2%Natural
$9,741
161,010 diamonds
vs last month
-1.5%Princess
Lab Grown
$2,064
286,782 diamonds
vs last month
-1.6%Natural
$5,498
136,605 diamonds
vs last month
-3.3%Emerald
Lab Grown
$2,384
510,431 diamonds
vs last month
-1.1%Natural
$6,236
330,651 diamonds
vs last month
-3.2%Pear
Lab Grown
$2,044
520,175 diamonds
vs last month
-2.7%Natural
$4,902
304,660 diamonds
vs last month
-2.8%Marquise
Lab Grown
$2,012
360,021 diamonds
vs last month
-3.4%Natural
$4,767
103,464 diamonds
vs last month
-4.2%Radiant
Lab Grown
$2,599
475,052 diamonds
vs last month
-1.3%Natural
$10,486
100,731 diamonds
vs last month
-3.4%Heart
Lab Grown
$2,330
146,670 diamonds
vs last month
-2.3%Natural
$4,288
129,740 diamonds
vs last month
-2.4%Asscher
Lab Grown
$2,708
72,501 diamonds
vs last month
-1%Natural
$5,462
58,851 diamonds
vs last month
-7.2%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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