Lab Grown Diamond Market
As of July 2026, there are 17,643,506 lab grown diamond listings available across retailers worldwide. The average price per carat is $1,826 SGD. Prices have decreased by 5.0% over the past 30 days.
Last updated: July 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
6.5M
Oval
2.9M
Pear
1.8M
Emerald
1.3M
Cushion
1.2M
Radiant
1.1M
Marquise
933K
Princess
849K
Heart
515K
Asscher
377K
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
$1.0K
1.50-1.99ct
$1.3K
2.00-2.49ct
$1.5K
2.50-2.99ct
$1.5K
3.00-3.99ct
$1.7K
4.00-4.99ct
$1.8K
5.00-9.99ct
$2.0K
10.00+ct
$1.4K
unknownct
$1.5K
Available Shapes
Round
6,524,041 listings
Avg: $2,808 SGD/ct
Oval
2,870,868 listings
Avg: $2,155 SGD/ct
Pear
1,827,573 listings
Avg: $1,892 SGD/ct
Emerald
1,325,969 listings
Avg: $1,785 SGD/ct
Cushion
1,168,797 listings
Avg: $1,704 SGD/ct
Radiant
1,140,478 listings
Avg: $1,583 SGD/ct
Marquise
933,490 listings
Avg: $1,550 SGD/ct
Princess
849,066 listings
Avg: $1,715 SGD/ct
Heart
515,173 listings
Avg: $1,700 SGD/ct
Asscher
376,719 listings
Avg: $1,744 SGD/ct
Other
84,058 listings
Avg: $1,126 SGD/ct
Trillion
17,525 listings
Avg: $983 SGD/ct
Baguette
8,086 listings
Avg: $754 SGD/ct
Sq_radiant
1,663 listings
Avg: $620 SGD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 81,583 | $1,509 SGD |
| 0.30-0.49 | 677,619 | $1,599 SGD |
| 0.50-0.74 | 1,237,886 | $1,506 SGD |
| 0.75-0.99 | 741,202 | $1,514 SGD |
| 1.00-1.24 | 3,150,821 | $1,467 SGD |
| 1.25-1.49 | 762,143 | $1,335 SGD |
| 1.50-1.99 | 3,267,662 | $1,760 SGD |
| 2.00-2.49 | 2,514,845 | $2,014 SGD |
| 2.50-2.99 | 1,242,176 | $1,948 SGD |
| 3.00-3.99 | 1,896,060 | $2,268 SGD |
| 4.00-4.99 | 912,829 | $2,404 SGD |
| 5.00-9.99 | 978,594 | $2,642 SGD |
| 10.00+ | 162,598 | $1,925 SGD |
| unknown | 17,488 | $1,963 SGD |