Lab Grown Diamond Market
As of October 2026, there are 27,702,574 lab grown diamond listings available across retailers worldwide. The average price per carat is €681 EUR. Prices have increased by 0.5% 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
9.3M
Oval
4.3M
Pear
2.9M
Emerald
2.5M
Radiant
2.1M
Marquise
1.9M
Cushion
1.8M
Princess
1.4M
Heart
858K
Asscher
501K
Price by carat bucket
Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.
0.20-0.29ct
$713
0.30-0.49ct
$801
0.50-0.74ct
$769
0.75-0.99ct
$676
1.00-1.24ct
$616
1.25-1.49ct
$601
1.50-1.99ct
$679
2.00-2.49ct
$818
2.50-2.99ct
$847
3.00-3.99ct
$808
4.00-4.99ct
$878
5.00-9.99ct
$920
10.00+ct
$699
unknownct
$1.1K
Available Shapes
Round
9,264,963 listings
Avg: €783 EUR/ct
Oval
4,264,643 listings
Avg: €685 EUR/ct
Pear
2,887,281 listings
Avg: €662 EUR/ct
Emerald
2,496,205 listings
Avg: €670 EUR/ct
Radiant
2,143,104 listings
Avg: €667 EUR/ct
Marquise
1,932,178 listings
Avg: €664 EUR/ct
Cushion
1,785,176 listings
Avg: €776 EUR/ct
Princess
1,374,758 listings
Avg: €709 EUR/ct
Heart
857,853 listings
Avg: €577 EUR/ct
Asscher
500,673 listings
Avg: €696 EUR/ct
Other
156,640 listings
Avg: €584 EUR/ct
Trillion
22,265 listings
Avg: €599 EUR/ct
Baguette
12,286 listings
Avg: €657 EUR/ct
Sq_radiant
4,549 listings
Avg: €521 EUR/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 126,728 | €638 EUR |
| 0.30-0.49 | 937,470 | €717 EUR |
| 0.50-0.74 | 1,432,041 | €688 EUR |
| 0.75-0.99 | 969,663 | €605 EUR |
| 1.00-1.24 | 4,623,934 | €552 EUR |
| 1.25-1.49 | 1,084,923 | €538 EUR |
| 1.50-1.99 | 4,798,485 | €608 EUR |
| 2.00-2.49 | 4,028,673 | €732 EUR |
| 2.50-2.99 | 2,157,272 | €758 EUR |
| 3.00-3.99 | 3,407,779 | €723 EUR |
| 4.00-4.99 | 1,691,514 | €786 EUR |
| 5.00-9.99 | 2,140,424 | €824 EUR |
| 10.00+ | 286,302 | €626 EUR |
| unknown | 17,366 | €955 EUR |