Lab Grown Diamond Market
As of November 2026, there are 28,044,774 lab grown diamond listings available across retailers worldwide. The average price per carat is $948 SGD. Prices have increased by 1.0% over the past 30 days.
Last updated: November 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
9.2M
Oval
4.4M
Pear
2.9M
Emerald
2.5M
Radiant
2.2M
Marquise
2.0M
Cushion
1.8M
Princess
1.4M
Heart
884K
Asscher
522K
Price by carat bucket
Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.
0.20-0.29ct
$704
0.30-0.49ct
$799
0.50-0.74ct
$767
0.75-0.99ct
$673
1.00-1.24ct
$614
1.25-1.49ct
$596
1.50-1.99ct
$672
2.00-2.49ct
$806
2.50-2.99ct
$833
3.00-3.99ct
$793
4.00-4.99ct
$799
5.00-9.99ct
$862
10.00+ct
$621
unknownct
$1.1K
Available Shapes
Round
9,197,258 listings
Avg: $1,026 SGD/ct
Oval
4,353,515 listings
Avg: $970 SGD/ct
Pear
2,936,908 listings
Avg: $936 SGD/ct
Emerald
2,545,684 listings
Avg: $928 SGD/ct
Radiant
2,195,759 listings
Avg: $948 SGD/ct
Marquise
2,009,746 listings
Avg: $932 SGD/ct
Cushion
1,795,660 listings
Avg: $1,072 SGD/ct
Princess
1,395,076 listings
Avg: $991 SGD/ct
Heart
884,276 listings
Avg: $803 SGD/ct
Asscher
522,329 listings
Avg: $998 SGD/ct
Other
168,132 listings
Avg: $813 SGD/ct
Trillion
22,969 listings
Avg: $847 SGD/ct
Baguette
12,763 listings
Avg: $944 SGD/ct
Sq_radiant
4,699 listings
Avg: $736 SGD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 126,088 | $900 SGD |
| 0.30-0.49 | 954,568 | $1,020 SGD |
| 0.50-0.74 | 1,446,330 | $980 SGD |
| 0.75-0.99 | 970,256 | $860 SGD |
| 1.00-1.24 | 4,625,413 | $784 SGD |
| 1.25-1.49 | 1,082,758 | $761 SGD |
| 1.50-1.99 | 4,799,509 | $858 SGD |
| 2.00-2.49 | 4,106,418 | $1,030 SGD |
| 2.50-2.99 | 2,182,016 | $1,064 SGD |
| 3.00-3.99 | 3,507,928 | $1,014 SGD |
| 4.00-4.99 | 1,716,193 | $1,020 SGD |
| 5.00-9.99 | 2,211,715 | $1,100 SGD |
| 10.00+ | 297,964 | $794 SGD |
| unknown | 17,618 | $1,370 SGD |