How much does a lab grown cushion diamond cost in Hong Kong?

Lab Grown cushion diamonds in Hong Kong list between HK$1,169 HKD and HK$261,079 HKD HKD, with a median of HK$8,822 HKD across 1,328,456 active listings.

Is a lab grown cushion diamond worth it in Hong Kong?

Lab Grown cushion stones in Hong Kong are priced in HKD and reflect local retailer markup. Cross-retailer aggregation across more than one hundred sources lets you see if a particular listing is above or below the regional median.

Where does Hong Kong pricing data come from for cushion diamonds?

Carat Hunter aggregates live retailer pricing from more than one hundred jewellery sites globally and shows the Hong Kong view in HKD. Pricing for cushion stones is refreshed daily.

Lab Grown Cushion Diamond Prices in Hong Kong

Quick answer

As of September 2026, Carat Hunter tracks 1,328,456 lab grown cushion diamonds listed by at least 60 retailers. The median listing sits at HK$8,822 HKD per carat, and most stock falls between HK$1,169 HKD and HK$261,079 HKD per carat. About 0% of these stones are listed by more than one retailer, and the same stone is priced 104% apart on average between its cheapest and most expensive seller. The most common size is 2.00 to 2.49 carats, with 243,394 listings at an average of HK$8,143 HKD per carat. The best value grade combination with real depth of stock is F to G VS1 at HK$3,724 HKD per carat across 119,520 listings. The same shape in natural form runs about HK$59,603 HKD per carat, roughly 6.8 times more.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Cushion lab grown stones in the index: 466 USD per carat, -14.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

By Carat Weight

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$2,462	$2,368	$818	$752	$551	$550	$448	$657	$2,388
F-G	$2,119	$1,318	$728	$542	$484	$505	$483	$955	$1,434
H-I	-	$2,072	$1,249	$709	$780	$920	$1,365	$2,363	$2,198
J-K	-	$1,340	$1,910	$985	$1,043	$1,295	$1,425	$3,823	$4,059
L-M	-	-	-	$693	$557	$764	$1,343	-	-
N+	-	$1,569	$767	$661	$608	$742	$872	$843	$323

By Carat Weight

0.20-0.29

447 listings

Avg: HK$11,043 HKD/ct

Avg: HK$11,382 HKD/ct

10.00+

13,988 listings

Avg: HK$13,204 HKD/ct

unknown

31 listings

Avg: HK$15,542 HKD/ct

Price by Colour & Clarity

Colour	Clarity	Listings	Avg Price/ct
D-E	FL	32,472	HK$18,942 HKD
D-E	I	34	HK$18,368 HKD
D-E	IF	36,658	HK$18,215 HKD
D-E	SI1	6,196	HK$3,444 HKD
D-E	SI2	663	HK$5,055 HKD
D-E	VS1	291,941	HK$4,239 HKD
D-E	VS2	57,082	HK$4,234 HKD
D-E	VVS1	126,666	HK$6,294 HKD
D-E	VVS2	371,551	HK$5,785 HKD
F-G	FL	233	HK$16,298 HKD
F-G	I	73	HK$11,028 HKD
F-G	IF	1,746	HK$10,136 HKD
F-G	SI1	3,781	HK$3,713 HKD
F-G	SI2	438	HK$7,344 HKD
F-G	VS1	119,520	HK$3,724 HKD
F-G	VS2	28,893	HK$3,886 HKD
F-G	VVS1	12,142	HK$5,602 HKD
F-G	VVS2	108,508	HK$4,173 HKD
H-I	I	35	HK$16,906 HKD
H-I	IF	85	HK$15,935 HKD
H-I	SI1	1,153	HK$10,502 HKD
H-I	SI2	355	HK$18,180 HKD
H-I	VS1	10,013	HK$5,998 HKD
H-I	VS2	3,776	HK$7,075 HKD
H-I	VVS1	784	HK$9,607 HKD
H-I	VVS2	5,020	HK$5,455 HKD
J-K	I	140	HK$31,221 HKD
J-K	IF	35	HK$10,304 HKD
J-K	SI1	1,281	HK$10,964 HKD
J-K	SI2	261	HK$29,404 HKD
J-K	VS1	934	HK$8,020 HKD
J-K	VS2	941	HK$9,962 HKD
J-K	VVS1	113	HK$14,691 HKD
J-K	VVS2	441	HK$7,575 HKD
L-M	SI1	27	HK$10,332 HKD
L-M	VS1	211	HK$4,284 HKD
L-M	VS2	37	HK$5,880 HKD
L-M	VVS2	94	HK$5,328 HKD
N+	I	38	HK$2,488 HKD
N+	IF	428	HK$12,069 HKD
N+	SI1	3,085	HK$6,711 HKD
N+	SI2	564	HK$6,481 HKD
N+	VS1	45,462	HK$4,674 HKD
N+	VS2	17,237	HK$5,707 HKD
N+	VVS1	2,498	HK$5,901 HKD
N+	VVS2	26,790	HK$5,087 HKD
N+	other	8,021	HK$13,897 HKD