Lab Grown Diamond Market
As of April 2026, there are 15,089,195 lab grown diamond listings available across retailers worldwide. The average price per carat is €1,207 EUR. Prices have increased by 0.1% over the past 30 days.
Last updated: April 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
5.6M
Oval
2.6M
Pear
1.3M
Emerald
1.2M
Radiant
1.2M
Marquise
831K
Cushion
820K
Princess
759K
Heart
398K
Asscher
276K
Price by carat bucket
Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.
0.20-0.29ct
$1.1K
0.30-0.49ct
$1.2K
0.50-0.74ct
$1.1K
0.75-0.99ct
$1.1K
1.00-1.24ct
$1.1K
1.25-1.49ct
$984
1.50-1.99ct
$1.2K
2.00-2.49ct
$1.5K
2.50-2.99ct
$1.4K
3.00-3.99ct
$1.6K
4.00-4.99ct
$1.9K
5.00-9.99ct
$1.9K
10.00+ct
$929
unknownct
$1.6K
Available Shapes
Round
5,584,598 listings
Avg: €1,945 EUR/ct
Oval
2,583,044 listings
Avg: €1,382 EUR/ct
Pear
1,346,968 listings
Avg: €1,278 EUR/ct
Emerald
1,241,321 listings
Avg: €1,187 EUR/ct
Radiant
1,172,839 listings
Avg: €1,048 EUR/ct
Marquise
831,277 listings
Avg: €991 EUR/ct
Cushion
819,541 listings
Avg: €1,076 EUR/ct
Princess
759,388 listings
Avg: €1,093 EUR/ct
Heart
397,921 listings
Avg: €1,078 EUR/ct
Asscher
276,231 listings
Avg: €999 EUR/ct
Other
54,122 listings
Avg: €833 EUR/ct
Trillion
13,991 listings
Avg: €703 EUR/ct
Baguette
6,806 listings
Avg: €547 EUR/ct
Sq_radiant
1,148 listings
Avg: €393 EUR/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 90,325 | €1,048 EUR |
| 0.30-0.49 | 713,814 | €1,084 EUR |
| 0.50-0.74 | 1,019,682 | €1,017 EUR |
| 0.75-0.99 | 666,828 | €971 EUR |
| 1.00-1.24 | 2,392,123 | €1,022 EUR |
| 1.25-1.49 | 693,424 | €903 EUR |
| 1.50-1.99 | 2,772,359 | €1,135 EUR |
| 2.00-2.49 | 2,291,509 | €1,377 EUR |
| 2.50-2.99 | 1,008,499 | €1,299 EUR |
| 3.00-3.99 | 1,807,518 | €1,452 EUR |
| 4.00-4.99 | 729,876 | €1,700 EUR |
| 5.00-9.99 | 760,766 | €1,783 EUR |
| 10.00+ | 123,841 | €852 EUR |
| unknown | 18,631 | €1,457 EUR |