Lab Grown Diamond Market

As of July 2026, there are 17,661,592 lab grown diamond listings available across retailers worldwide. The average price per carat is HK$10,538 HKD. Prices have decreased by 4.4% over the past 30 days.

Last updated: July 2026

Available by shape

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

Round
6.5M
Oval
2.9M
Pear
1.8M
Emerald
1.3M
Cushion
1.2M
Radiant
1.1M
Marquise
938K
Princess
845K
Heart
514K
Asscher
377K

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
$1.2K
0.50-0.74ct
$1.1K
0.75-0.99ct
$1.1K
1.00-1.24ct
$1.1K
1.25-1.49ct
$995
1.50-1.99ct
$1.3K
2.00-2.49ct
$1.5K
2.50-2.99ct
$1.5K
3.00-3.99ct
$1.7K
4.00-4.99ct
$1.8K
5.00-9.99ct
$2.0K
10.00+ct
$1.4K
unknownct
$1.5K

Available Shapes

Round
6,543,347 listings
Avg: HK$16,172 HKD/ct
Oval
2,888,174 listings
Avg: HK$12,458 HKD/ct
Pear
1,822,778 listings
Avg: HK$10,904 HKD/ct
Emerald
1,324,967 listings
Avg: HK$10,267 HKD/ct
Cushion
1,157,691 listings
Avg: HK$9,831 HKD/ct
Radiant
1,141,693 listings
Avg: HK$9,099 HKD/ct
Marquise
937,894 listings
Avg: HK$8,931 HKD/ct
Princess
844,841 listings
Avg: HK$9,972 HKD/ct
Heart
513,621 listings
Avg: HK$9,834 HKD/ct
Asscher
377,373 listings
Avg: HK$10,072 HKD/ct
Other
82,402 listings
Avg: HK$6,545 HKD/ct
Trillion
17,182 listings
Avg: HK$5,584 HKD/ct
Baguette
7,973 listings
Avg: HK$4,271 HKD/ct
Sq_radiant
1,656 listings
Avg: HK$3,581 HKD/ct

By Carat Weight

Carat RangeListingsAvg Price/ct
0.20-0.2981,821HK$8,706 HKD
0.30-0.49669,591HK$9,252 HKD
0.50-0.741,230,337HK$8,759 HKD
0.75-0.99734,599HK$8,731 HKD
1.00-1.243,165,066HK$8,441 HKD
1.25-1.49775,885HK$7,658 HKD
1.50-1.993,290,268HK$10,095 HKD
2.00-2.492,520,406HK$11,625 HKD
2.50-2.991,235,065HK$11,212 HKD
3.00-3.991,892,273HK$13,053 HKD
4.00-4.99910,038HK$13,977 HKD
5.00-9.99976,375HK$15,244 HKD
10.00+162,399HK$11,085 HKD
unknown17,469HK$11,336 HKD