Lab Grown Diamond Market
As of September 2026, there are 20,228,041 lab grown diamond listings available across retailers worldwide. The average price per carat is $1,585 SGD. Prices have decreased by 7.9% over the past 30 days.
Last updated: September 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
7.8M
Oval
3.2M
Pear
2.1M
Emerald
1.5M
Cushion
1.4M
Radiant
1.3M
Marquise
1.2M
Princess
926K
Heart
478K
Asscher
290K
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
$1.1K
0.50-0.74ct
$1.1K
0.75-0.99ct
$1.1K
1.00-1.24ct
$965
1.25-1.49ct
$896
1.50-1.99ct
$1.2K
2.00-2.49ct
$1.4K
2.50-2.99ct
$1.3K
3.00-3.99ct
$1.5K
4.00-4.99ct
$1.7K
5.00-9.99ct
$1.8K
10.00+ct
$1.4K
unknownct
$1.4K
Available Shapes
Round
7,750,394 listings
Avg: $2,362 SGD/ct
Oval
3,185,213 listings
Avg: $1,906 SGD/ct
Pear
2,069,389 listings
Avg: $1,637 SGD/ct
Emerald
1,486,737 listings
Avg: $1,608 SGD/ct
Cushion
1,363,972 listings
Avg: $1,461 SGD/ct
Radiant
1,312,327 listings
Avg: $1,459 SGD/ct
Marquise
1,237,162 listings
Avg: $1,453 SGD/ct
Princess
925,777 listings
Avg: $1,491 SGD/ct
Heart
477,619 listings
Avg: $1,448 SGD/ct
Asscher
289,551 listings
Avg: $1,403 SGD/ct
Other
102,103 listings
Avg: $959 SGD/ct
Trillion
18,510 listings
Avg: $906 SGD/ct
Baguette
7,712 listings
Avg: $675 SGD/ct
Sq_radiant
1,575 listings
Avg: $585 SGD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 93,554 | $1,343 SGD |
| 0.30-0.49 | 819,197 | $1,412 SGD |
| 0.50-0.74 | 1,301,082 | $1,337 SGD |
| 0.75-0.99 | 830,017 | $1,354 SGD |
| 1.00-1.24 | 3,859,853 | $1,228 SGD |
| 1.25-1.49 | 891,643 | $1,140 SGD |
| 1.50-1.99 | 3,692,414 | $1,525 SGD |
| 2.00-2.49 | 2,770,648 | $1,726 SGD |
| 2.50-2.99 | 1,464,632 | $1,674 SGD |
| 3.00-3.99 | 2,105,169 | $1,907 SGD |
| 4.00-4.99 | 1,123,690 | $2,102 SGD |
| 5.00-9.99 | 1,097,986 | $2,247 SGD |
| 10.00+ | 160,297 | $1,814 SGD |
| unknown | 17,859 | $1,744 SGD |