How much does a 3.00 to 4.99ct lab grown marquise diamond cost?

As of November 2026, 3.00 to 4.99ct lab grown marquise diamonds range from HK$1,080 HKD/ct to HK$57,140 HKD/ct, with an average of HK$6,490 HKD/ct.

What is the price range for 3.00 to 4.99ct lab grown marquise diamonds?

As of November 2026, the lowest listed price is HK$1,080 HKD per carat and the highest is HK$57,140 HKD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 3.00 to 4.99ct lab grown marquise diamonds are available?

There are 376,584 active lab grown marquise listings between 3.00 to 4.99ct across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 3.00 to 4.99ct lab grown marquise diamond?

Approximately 43% of these diamonds are available at multiple retailers, with an average price spread of 91% between the cheapest and most expensive listing of the same stone.

Lab Grown Marquise Diamonds, 3.00 to 4.99ct

Quick answer

As of November 2026, there are 376,584 listings of lab grown marquise diamonds between 3.00 to 4.99ct from at least 61 retailers. A typical stone in this range costs about HK$24,664 HKD in total, or HK$6,490 HKD per carat, and most listings sit between HK$1,080 HKD and HK$57,140 HKD per carat. About 43% of these stones are listed by more than one retailer, and the same stone is priced 91% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is F to G VVS2 at HK$3,656 HKD per carat across 55,827 listings. The same shape in natural form runs about HK$129,423 HKD per carat, roughly 19.9 times more.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise lab grown stones in the index: 505 USD per carat, +1.6% month on month. See the full index release

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

Last updated: November 2026

Browse 376,584 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$3,030	$2,233	$767	$553	$509	$505	$416	$316	-
F-G	$1,931	$1,128	$600	$466	$479	$511	$412	$429	-
H-I	-	$1,564	$1,387	$708	$586	$682	$309	-	-
J-K	-	-	-	$505	$619	-	-	-	-
L-M	-	-	-	$536	$538	-	-	-	-
N+	-	$2,047	$578	$447	$433	$426	$331	$255	$399

Price by Colour & Clarity

Average price per carat for 3.00 to 4.99ct lab grown marquise diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	3,365	HK$23,774 HKD	71%
D-E	IF	4,963	HK$17,521 HKD	92%
D-E	SI1	537	HK$3,265 HKD	104%
D-E	SI2	32	HK$2,478 HKD	92%
D-E	VS1	65,608	HK$3,993 HKD	115%
D-E	VS2	13,496	HK$3,966 HKD	102%
D-E	VVS1	39,958	HK$6,016 HKD	104%
D-E	VVS2	106,436	HK$4,342 HKD	109%
F-G	FL	38	HK$15,151 HKD	83%
F-G	IF	323	HK$8,853 HKD	90%
F-G	SI1	681	HK$3,231 HKD	105%
F-G	SI2	46	HK$3,369 HKD	71%
F-G	VS1	44,996	HK$3,755 HKD	110%
F-G	VS2	9,708	HK$4,006 HKD	95%
F-G	VVS1	7,052	HK$4,707 HKD	109%
F-G	VVS2	55,827	HK$3,656 HKD	119%
H-I	IF	25	HK$12,271 HKD	98%
H-I	SI1	16	HK$2,426 HKD	13%
H-I	VS1	1,376	HK$4,594 HKD	87%
H-I	VS2	399	HK$5,350 HKD	89%
H-I	VVS1	188	HK$10,885 HKD	66%
H-I	VVS2	1,335	HK$5,559 HKD	103%
J-K	VS1	12	HK$4,854 HKD	81%
J-K	VVS2	46	HK$3,966 HKD	81%
L-M	VS1	46	HK$4,219 HKD	59%
L-M	VVS2	48	HK$4,204 HKD	71%
N+	I	11	HK$3,131 HKD	58%
N+	IF	10	HK$16,058 HKD	5%
N+	SI1	598	HK$2,601 HKD	107%
N+	SI2	37	HK$2,004 HKD	155%
N+	VS1	8,492	HK$3,399 HKD	107%
N+	VS2	3,688	HK$3,346 HKD	111%
N+	VVS1	299	HK$4,535 HKD	101%
N+	VVS2	6,216	HK$3,504 HKD	107%
N+	other	676	HK$14,793 HKD	17%

Explore by Specification

D FL D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 D SI2 E FL E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 E SI2 F FL F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 F SI2 G FL G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 G SI2 H FL H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 H SI2 I FL I IF I VVS1 I VVS2 I VS1 I VS2 I SI1 I SI2 J FL J IF J VVS1 J VVS2 J VS1 J VS2 J SI1 J SI2