Monthly Analysis
April 2026 Diamond Market Report
Data as of April 18, 2026
Diamond Market Snapshot
In April 2026, the CaratRadar Diamond Price Index stood at $3,515, reflecting the weighted average retail price across 9,148,337 certified diamonds tracked from leading diamond retailers worldwide. Natural diamonds averaged $5,592 compared to $2,209 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
$1,902
2,003,916 diamonds
vs last month
-3.5%Natural
$4,630
1,836,949 diamonds
vs last month
-2.2%Oval
Lab Grown
$2,460
957,890 diamonds
vs last month
-1.9%Natural
$7,640
394,570 diamonds
vs last month
-2.9%Cushion
Lab Grown
$2,886
343,962 diamonds
vs last month
-1.4%Natural
$9,804
158,348 diamonds
vs last month
-1.1%Princess
Lab Grown
$2,065
282,177 diamonds
vs last month
-1.3%Natural
$5,563
134,132 diamonds
vs last month
-2.7%Emerald
Lab Grown
$2,380
501,707 diamonds
vs last month
-1.3%Natural
$6,300
325,030 diamonds
vs last month
-2.7%Pear
Lab Grown
$2,060
500,693 diamonds
vs last month
-1.8%Natural
$4,961
297,963 diamonds
vs last month
-2%Marquise
Lab Grown
$2,025
344,762 diamonds
vs last month
-3.3%Natural
$4,835
99,094 diamonds
vs last month
-3.3%Radiant
Lab Grown
$2,599
468,246 diamonds
vs last month
-0.7%Natural
$10,603
98,787 diamonds
vs last month
-2.7%Heart
Lab Grown
$2,344
143,807 diamonds
vs last month
-1.2%Natural
$4,314
127,912 diamonds
vs last month
-2.3%Asscher
Lab Grown
$2,697
71,298 diamonds
vs last month
-1.4%Natural
$5,562
57,094 diamonds
vs last month
-6.8%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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