Lab Grown Diamond Market
As of September 2026, there are 19,372,058 lab grown diamond listings available across retailers worldwide. The average price per carat is HK$9,645 HKD. 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
7.3M
Oval
3.0M
Pear
2.0M
Emerald
1.5M
Cushion
1.3M
Radiant
1.3M
Marquise
1.2M
Princess
911K
Heart
453K
Asscher
276K
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
$966
1.25-1.49ct
$900
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
7,267,686 listings
Avg: HK$14,659 HKD/ct
Oval
3,045,304 listings
Avg: HK$11,682 HKD/ct
Pear
2,021,067 listings
Avg: HK$10,023 HKD/ct
Emerald
1,453,732 listings
Avg: HK$9,689 HKD/ct
Cushion
1,328,456 listings
Avg: HK$8,822 HKD/ct
Radiant
1,290,071 listings
Avg: HK$8,762 HKD/ct
Marquise
1,197,026 listings
Avg: HK$8,744 HKD/ct
Princess
910,676 listings
Avg: HK$9,033 HKD/ct
Heart
452,862 listings
Avg: HK$8,655 HKD/ct
Asscher
275,998 listings
Avg: HK$8,580 HKD/ct
Other
101,451 listings
Avg: HK$5,740 HKD/ct
Trillion
18,470 listings
Avg: HK$5,461 HKD/ct
Baguette
7,693 listings
Avg: HK$4,071 HKD/ct
Sq_radiant
1,566 listings
Avg: HK$3,500 HKD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 88,666 | HK$8,194 HKD |
| 0.30-0.49 | 789,340 | HK$8,536 HKD |
| 0.50-0.74 | 1,264,182 | HK$8,110 HKD |
| 0.75-0.99 | 806,090 | HK$8,200 HKD |
| 1.00-1.24 | 3,649,740 | HK$7,429 HKD |
| 1.25-1.49 | 864,192 | HK$6,922 HKD |
| 1.50-1.99 | 3,540,053 | HK$9,366 HKD |
| 2.00-2.49 | 2,633,463 | HK$10,524 HKD |
| 2.50-2.99 | 1,412,514 | HK$10,194 HKD |
| 3.00-3.99 | 2,012,383 | HK$11,441 HKD |
| 4.00-4.99 | 1,078,890 | HK$12,844 HKD |
| 5.00-9.99 | 1,051,700 | HK$13,985 HKD |
| 10.00+ | 162,962 | HK$10,922 HKD |
| unknown | 17,883 | HK$10,547 HKD |