Lab Grown Diamond Market
As of April 2026, there are 14,520,424 lab grown diamond listings available across retailers worldwide. The average price per carat is €1,173 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
5.5M
Oval
2.4M
Pear
1.3M
Emerald
1.2M
Radiant
1.1M
Marquise
799K
Cushion
790K
Princess
726K
Heart
378K
Asscher
259K
Price by carat bucket
Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.
0.20-0.29ct
$1.2K
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
$978
1.50-1.99ct
$1.2K
2.00-2.49ct
$1.4K
2.50-2.99ct
$1.3K
3.00-3.99ct
$1.4K
4.00-4.99ct
$1.8K
5.00-9.99ct
$1.8K
10.00+ct
$985
unknownct
$1.6K
Available Shapes
Round
5,460,347 listings
Avg: €1,842 EUR/ct
Oval
2,427,304 listings
Avg: €1,292 EUR/ct
Pear
1,302,565 listings
Avg: €1,217 EUR/ct
Emerald
1,185,156 listings
Avg: €1,175 EUR/ct
Radiant
1,119,410 listings
Avg: €1,019 EUR/ct
Marquise
798,732 listings
Avg: €971 EUR/ct
Cushion
790,035 listings
Avg: €1,061 EUR/ct
Princess
726,185 listings
Avg: €1,099 EUR/ct
Heart
378,295 listings
Avg: €1,064 EUR/ct
Asscher
258,976 listings
Avg: €995 EUR/ct
Other
52,082 listings
Avg: €863 EUR/ct
Trillion
13,556 listings
Avg: €714 EUR/ct
Baguette
6,670 listings
Avg: €544 EUR/ct
Sq_radiant
1,111 listings
Avg: €396 EUR/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 92,932 | €1,065 EUR |
| 0.30-0.49 | 696,107 | €1,095 EUR |
| 0.50-0.74 | 994,204 | €1,031 EUR |
| 0.75-0.99 | 635,609 | €981 EUR |
| 1.00-1.24 | 2,305,072 | €1,015 EUR |
| 1.25-1.49 | 677,828 | €898 EUR |
| 1.50-1.99 | 2,682,674 | €1,097 EUR |
| 2.00-2.49 | 2,182,600 | €1,285 EUR |
| 2.50-2.99 | 964,106 | €1,236 EUR |
| 3.00-3.99 | 1,722,689 | €1,315 EUR |
| 4.00-4.99 | 704,460 | €1,621 EUR |
| 5.00-9.99 | 729,267 | €1,668 EUR |
| 10.00+ | 114,324 | €904 EUR |
| unknown | 18,552 | €1,470 EUR |