Lab Grown Diamond Market
As of October 2026, there are 27,474,780 lab grown diamond listings available across retailers worldwide. The average price per carat is €675 EUR. Prices have increased by 0.6% over the past 30 days.
Last updated: October 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
9.2M
Oval
4.3M
Pear
2.9M
Emerald
2.5M
Radiant
2.1M
Marquise
1.9M
Cushion
1.8M
Princess
1.4M
Heart
847K
Asscher
489K
Price by carat bucket
Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.
0.20-0.29ct
$716
0.30-0.49ct
$805
0.50-0.74ct
$773
0.75-0.99ct
$679
1.00-1.24ct
$617
1.25-1.49ct
$602
1.50-1.99ct
$677
2.00-2.49ct
$825
2.50-2.99ct
$836
3.00-3.99ct
$810
4.00-4.99ct
$835
5.00-9.99ct
$885
10.00+ct
$577
unknownct
$1.1K
Available Shapes
Round
9,205,635 listings
Avg: €732 EUR/ct
Oval
4,263,872 listings
Avg: €685 EUR/ct
Pear
2,863,731 listings
Avg: €667 EUR/ct
Emerald
2,467,970 listings
Avg: €661 EUR/ct
Radiant
2,122,558 listings
Avg: €663 EUR/ct
Marquise
1,884,957 listings
Avg: €672 EUR/ct
Cushion
1,776,058 listings
Avg: €763 EUR/ct
Princess
1,360,401 listings
Avg: €711 EUR/ct
Heart
846,933 listings
Avg: €578 EUR/ct
Asscher
488,926 listings
Avg: €704 EUR/ct
Other
155,074 listings
Avg: €583 EUR/ct
Trillion
22,107 listings
Avg: €603 EUR/ct
Baguette
12,094 listings
Avg: €661 EUR/ct
Sq_radiant
4,464 listings
Avg: €519 EUR/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 125,589 | €643 EUR |
| 0.30-0.49 | 929,041 | €723 EUR |
| 0.50-0.74 | 1,432,839 | €694 EUR |
| 0.75-0.99 | 973,132 | €609 EUR |
| 1.00-1.24 | 4,610,480 | €555 EUR |
| 1.25-1.49 | 1,079,219 | €541 EUR |
| 1.50-1.99 | 4,778,660 | €608 EUR |
| 2.00-2.49 | 3,965,782 | €741 EUR |
| 2.50-2.99 | 2,128,421 | €751 EUR |
| 3.00-3.99 | 3,341,262 | €728 EUR |
| 4.00-4.99 | 1,682,879 | €750 EUR |
| 5.00-9.99 | 2,121,146 | €795 EUR |
| 10.00+ | 289,264 | €518 EUR |
| unknown | 17,066 | €997 EUR |