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$5,892 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$6,395 HKD/ct
Oval
4,263,872 listings
Avg: HK$5,982 HKD/ct
Pear
2,863,731 listings
Avg: HK$5,823 HKD/ct
Emerald
2,467,970 listings
Avg: HK$5,769 HKD/ct
Radiant
2,122,558 listings
Avg: HK$5,789 HKD/ct
Marquise
1,884,957 listings
Avg: HK$5,871 HKD/ct
Cushion
1,776,058 listings
Avg: HK$6,664 HKD/ct
Princess
1,360,401 listings
Avg: HK$6,212 HKD/ct
Heart
846,933 listings
Avg: HK$5,049 HKD/ct
Asscher
488,926 listings
Avg: HK$6,145 HKD/ct
Other
155,074 listings
Avg: HK$5,096 HKD/ct
Trillion
22,107 listings
Avg: HK$5,269 HKD/ct
Baguette
12,094 listings
Avg: HK$5,771 HKD/ct
Sq_radiant
4,464 listings
Avg: HK$4,530 HKD/ct

By Carat Weight

Carat RangeListingsAvg Price/ct
0.20-0.29125,589HK$5,614 HKD
0.30-0.49929,041HK$6,318 HKD
0.50-0.741,432,839HK$6,063 HKD
0.75-0.99973,132HK$5,323 HKD
1.00-1.244,610,480HK$4,844 HKD
1.25-1.491,079,219HK$4,723 HKD
1.50-1.994,778,660HK$5,312 HKD
2.00-2.493,965,782HK$6,476 HKD
2.50-2.992,128,421HK$6,557 HKD
3.00-3.993,341,262HK$6,357 HKD
4.00-4.991,682,879HK$6,548 HKD
5.00-9.992,121,146HK$6,946 HKD
10.00+289,264HK$4,528 HKD
unknown17,066HK$8,705 HKD