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Lab Grown Diamond Market

As of April 2026, there are 14,517,295 lab grown diamond listings available across retailers worldwide. The average price per carat is HK$9,837 HKD. Prices have increased by 0.1% over the past 30 days.

Last updated: April 2026

Available by shape

Listing counts across the top 10 most-stocked shapes for this origin.

Round
5.5M
Oval
2.4M
Pear
1.3M
Emerald
1.2M
Radiant
1.1M
Marquise
798K
Cushion
790K
Princess
726K
Heart
379K
Asscher
259K

Price by carat bucket

Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.

0.20-0.29ct
$1.2K
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
$980
1.50-1.99ct
$1.2K
2.00-2.49ct
$1.4K
2.50-2.99ct
$1.3K
3.00-3.99ct
$1.4K
4.00-4.99ct
$1.8K
5.00-9.99ct
$1.8K
10.00+ct
$988
unknownct
$1.6K

Available Shapes

Round
5,455,759 listings
Avg: HK$15,443 HKD/ct
Oval
2,427,816 listings
Avg: HK$10,838 HKD/ct
Pear
1,302,422 listings
Avg: HK$10,204 HKD/ct
Emerald
1,185,787 listings
Avg: HK$9,854 HKD/ct
Radiant
1,119,936 listings
Avg: HK$8,543 HKD/ct
Marquise
798,372 listings
Avg: HK$8,142 HKD/ct
Cushion
789,987 listings
Avg: HK$8,912 HKD/ct
Princess
726,301 listings
Avg: HK$9,221 HKD/ct
Heart
378,524 listings
Avg: HK$8,924 HKD/ct
Asscher
259,051 listings
Avg: HK$8,354 HKD/ct
Other
51,998 listings
Avg: HK$7,240 HKD/ct
Trillion
13,562 listings
Avg: HK$5,980 HKD/ct
Baguette
6,669 listings
Avg: HK$4,563 HKD/ct
Sq_radiant
1,111 listings
Avg: HK$3,320 HKD/ct

By Carat Weight

Carat RangeListingsAvg Price/ct
0.20-0.2992,140HK$8,934 HKD
0.30-0.49694,454HK$9,183 HKD
0.50-0.74994,274HK$8,645 HKD
0.75-0.99635,473HK$8,220 HKD
1.00-1.242,305,094HK$8,512 HKD
1.25-1.49677,684HK$7,535 HKD
1.50-1.992,680,874HK$9,208 HKD
2.00-2.492,182,586HK$10,786 HKD
2.50-2.99963,927HK$10,368 HKD
3.00-3.991,723,702HK$11,024 HKD
4.00-4.99704,627HK$13,580 HKD
5.00-9.99729,515HK$13,995 HKD
10.00+114,398HK$7,599 HKD
unknown18,547HK$12,330 HKD