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

Lab Grown marquise diamonds in Hong Kong list between HK$1,066 HKD and HK$161,106 HKD HKD, with a median of HK$8,963 HKD across 1,229,335 active listings.

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

Lab Grown marquise 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 marquise 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 marquise stones is refreshed daily.

Lab Grown Marquise Diamond Prices in Hong Kong

Quick answer

As of September 2026, Carat Hunter tracks 1,229,335 lab grown marquise diamonds listed by at least 60 retailers. The median listing sits at HK$8,963 HKD per carat, and most stock falls between HK$1,066 HKD and HK$161,106 HKD per carat. About 0% of these stones are listed by more than one retailer, and the same stone is priced 95% apart on average between its cheapest and most expensive seller. The most common size is 1.00 to 1.24 carats, with 262,462 listings at an average of HK$8,549 HKD per carat. The best value grade combination with real depth of stock is F to G VS1 at HK$3,860 HKD per carat across 100,872 listings. The same shape in natural form runs about HK$64,773 HKD per carat, roughly 7.2 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. Marquise lab grown stones in the index: 500 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	$2,385	$1,903	$860	$561	$578	$586	$542	$586	$1,297
F-G	$2,086	$1,329	$726	$529	$492	$524	$444	$2,628	$1,465
H-I	-	$4,259	$1,260	$552	$625	$914	$1,365	$2,558	$1,807
J-K	-	$1,696	$1,430	$2,376	$1,223	$1,409	$1,562	$2,033	$2,768
L-M	-	-	-	$623	$470	-	$2,493	$1,229	-
N+	-	$1,751	$854	$668	$633	$726	$672	$560	-

By Carat Weight

Avg: HK$10,594 HKD/ct

2.00-2.49

121,263 listings

Avg: HK$13,491 HKD/ct

2.50-2.99

92,505 listings

Avg: HK$11,051 HKD/ct

Price by Colour & Clarity

Colour	Clarity	Listings	Avg Price/ct
D-E	FL	44,806	HK$18,710 HKD
D-E	I	37	HK$10,172 HKD
D-E	IF	45,520	HK$14,928 HKD
D-E	SI1	2,727	HK$4,255 HKD
D-E	SI2	221	HK$4,601 HKD
D-E	VS1	260,535	HK$4,537 HKD
D-E	VS2	59,101	HK$4,596 HKD
D-E	VVS1	145,701	HK$6,743 HKD
D-E	VVS2	363,012	HK$4,403 HKD
F-G	FL	114	HK$16,364 HKD
F-G	I	37	HK$11,495 HKD
F-G	IF	1,352	HK$10,423 HKD
F-G	SI1	1,606	HK$3,487 HKD
F-G	SI2	165	HK$20,615 HKD
F-G	VS1	100,872	HK$3,860 HKD
F-G	VS2	17,745	HK$4,111 HKD
F-G	VVS1	14,426	HK$5,699 HKD
F-G	VVS2	127,685	HK$4,151 HKD
H-I	I	67	HK$14,177 HKD
H-I	IF	83	HK$33,410 HKD
H-I	SI1	756	HK$10,708 HKD
H-I	SI2	151	HK$20,067 HKD
H-I	VS1	4,063	HK$4,901 HKD
H-I	VS2	1,910	HK$7,171 HKD
H-I	VVS1	652	HK$9,881 HKD
H-I	VVS2	3,402	HK$4,332 HKD
J-K	I	90	HK$21,710 HKD
J-K	IF	21	HK$13,303 HKD
J-K	SI1	777	HK$12,251 HKD
J-K	SI2	158	HK$15,951 HKD
J-K	VS1	204	HK$9,598 HKD
J-K	VS2	383	HK$11,051 HKD
J-K	VVS1	54	HK$11,214 HKD
J-K	VVS2	173	HK$18,642 HKD
L-M	SI1	11	HK$19,559 HKD
L-M	SI2	40	HK$9,640 HKD
L-M	VS1	34	HK$3,686 HKD
L-M	VVS2	12	HK$4,887 HKD
N+	IF	251	HK$13,738 HKD
N+	SI1	735	HK$5,271 HKD
N+	SI2	86	HK$4,394 HKD
N+	VS1	11,857	HK$4,969 HKD
N+	VS2	4,287	HK$5,696 HKD
N+	VVS1	642	HK$6,700 HKD
N+	VVS2	9,617	HK$5,244 HKD
N+	other	3,157	HK$13,701 HKD