Monthly Analysis
March 2026 Diamond Market Report
Data as of March 31, 2026
Diamond Market Snapshot
In March 2026, the CaratRadar Diamond Price Index stood at $3,612, reflecting the weighted average retail price across 8,647,464 certified diamonds tracked from leading diamond retailers worldwide. Natural diamonds averaged $5,712 compared to $2,263 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
$1,970
1,859,551 diamonds
vs last month
-5.2%Natural
$4,723
1,761,544 diamonds
vs last month
-5.5%Oval
Lab Grown
$2,505
899,975 diamonds
vs last month
-5.5%Natural
$7,836
376,910 diamonds
vs last month
-4.5%Cushion
Lab Grown
$2,949
320,266 diamonds
vs last month
-2.5%Natural
$9,889
153,170 diamonds
vs last month
-2.2%Princess
Lab Grown
$2,097
271,646 diamonds
vs last month
-2.1%Natural
$5,684
130,145 diamonds
vs last month
-4.9%Emerald
Lab Grown
$2,410
483,479 diamonds
vs last month
-2.4%Natural
$6,444
312,370 diamonds
vs last month
-3.8%Pear
Lab Grown
$2,101
463,788 diamonds
vs last month
-4%Natural
$5,044
284,689 diamonds
vs last month
-5.6%Marquise
Lab Grown
$2,081
312,052 diamonds
vs last month
-3.4%Natural
$4,975
90,427 diamonds
vs last month
-3.7%Radiant
Lab Grown
$2,633
448,058 diamonds
vs last month
-2.5%Natural
$10,853
94,979 diamonds
vs last month
-4.8%Heart
Lab Grown
$2,384
139,031 diamonds
vs last month
-2%Natural
$4,393
123,521 diamonds
vs last month
-5.4%Asscher
Lab Grown
$2,736
68,978 diamonds
vs last month
-3%Natural
$5,885
52,885 diamonds
vs last month
-8.2%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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