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 HK$5,893 HKD. 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: HK$6,397 HKD/ct
Oval
4,263,872 listings
Avg: HK$5,983 HKD/ct
Pear
2,863,731 listings
Avg: HK$5,824 HKD/ct
Emerald
2,467,970 listings
Avg: HK$5,770 HKD/ct
Radiant
2,122,558 listings
Avg: HK$5,789 HKD/ct
Marquise
1,884,957 listings
Avg: HK$5,872 HKD/ct
Cushion
1,776,058 listings
Avg: HK$6,665 HKD/ct
Princess
1,360,401 listings
Avg: HK$6,213 HKD/ct
Heart
846,933 listings
Avg: HK$5,050 HKD/ct
Asscher
488,926 listings
Avg: HK$6,146 HKD/ct
Other
155,074 listings
Avg: HK$5,097 HKD/ct
Trillion
22,107 listings
Avg: HK$5,270 HKD/ct
Baguette
12,094 listings
Avg: HK$5,772 HKD/ct
Sq_radiant
4,464 listings
Avg: HK$4,530 HKD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 125,589 | HK$5,614 HKD |
| 0.30-0.49 | 929,041 | HK$6,319 HKD |
| 0.50-0.74 | 1,432,839 | HK$6,064 HKD |
| 0.75-0.99 | 973,132 | HK$5,324 HKD |
| 1.00-1.24 | 4,610,480 | HK$4,845 HKD |
| 1.25-1.49 | 1,079,219 | HK$4,724 HKD |
| 1.50-1.99 | 4,778,660 | HK$5,313 HKD |
| 2.00-2.49 | 3,965,782 | HK$6,477 HKD |
| 2.50-2.99 | 2,128,421 | HK$6,559 HKD |
| 3.00-3.99 | 3,341,262 | HK$6,358 HKD |
| 4.00-4.99 | 1,682,879 | HK$6,549 HKD |
| 5.00-9.99 | 2,121,146 | HK$6,947 HKD |
| 10.00+ | 289,264 | HK$4,529 HKD |
| unknown | 17,066 | HK$8,707 HKD |