Lab Grown Diamond Market
As of June 2026, there are 17,443,700 lab grown diamond listings available across retailers worldwide. The average price per carat is €1,375 EUR. Prices have decreased by 3.7% over the past 30 days.
Last updated: June 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
6.5M
Oval
3.0M
Pear
1.7M
Emerald
1.2M
Marquise
1.2M
Radiant
1.2M
Cushion
1.0M
Princess
779K
Heart
456K
Asscher
314K
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
$1.2K
0.75-0.99ct
$1.1K
1.00-1.24ct
$1.1K
1.25-1.49ct
$1.1K
1.50-1.99ct
$1.4K
2.00-2.49ct
$1.6K
2.50-2.99ct
$1.5K
3.00-3.99ct
$2.0K
4.00-4.99ct
$2.2K
5.00-9.99ct
$2.5K
10.00+ct
$1.5K
unknownct
$1.6K
Available Shapes
Round
6,526,500 listings
Avg: €2,099 EUR/ct
Oval
2,957,748 listings
Avg: €1,556 EUR/ct
Pear
1,695,635 listings
Avg: €1,417 EUR/ct
Emerald
1,213,528 listings
Avg: €1,409 EUR/ct
Marquise
1,189,864 listings
Avg: €1,111 EUR/ct
Radiant
1,184,187 listings
Avg: €1,240 EUR/ct
Cushion
1,040,481 listings
Avg: €1,309 EUR/ct
Princess
778,704 listings
Avg: €1,286 EUR/ct
Heart
456,012 listings
Avg: €1,173 EUR/ct
Asscher
313,612 listings
Avg: €1,243 EUR/ct
Other
64,496 listings
Avg: €1,002 EUR/ct
Trillion
14,507 listings
Avg: €793 EUR/ct
Baguette
7,414 listings
Avg: €621 EUR/ct
Sq_radiant
1,012 listings
Avg: €425 EUR/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 73,255 | €1,082 EUR |
| 0.30-0.49 | 555,208 | €1,107 EUR |
| 0.50-0.74 | 1,041,898 | €1,061 EUR |
| 0.75-0.99 | 681,393 | €1,050 EUR |
| 1.00-1.24 | 3,295,563 | €1,043 EUR |
| 1.25-1.49 | 895,168 | €970 EUR |
| 1.50-1.99 | 3,380,438 | €1,307 EUR |
| 2.00-2.49 | 2,607,659 | €1,494 EUR |
| 2.50-2.99 | 1,199,341 | €1,420 EUR |
| 3.00-3.99 | 1,908,292 | €1,796 EUR |
| 4.00-4.99 | 826,528 | €2,050 EUR |
| 5.00-9.99 | 821,208 | €2,335 EUR |
| 10.00+ | 142,452 | €1,357 EUR |
| unknown | 15,297 | €1,436 EUR |