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 $245 NZD/ct to $12,944 NZD/ct, with an average of $1,470 NZD/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 $245 NZD per carat and the highest is $12,944 NZD 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 $5,587 NZD in total, or $1,470 NZD per carat, and most listings sit between $245 NZD and $12,944 NZD 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 $828 NZD per carat across 55,827 listings. The same shape in natural form runs about $29,317 NZD 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	$5,385 NZD	71%
D-E	IF	4,963	$3,969 NZD	92%
D-E	SI1	537	$740 NZD	104%
D-E	SI2	32	$561 NZD	92%
D-E	VS1	65,608	$905 NZD	115%
D-E	VS2	13,496	$898 NZD	102%
D-E	VVS1	39,958	$1,363 NZD	104%
D-E	VVS2	106,436	$984 NZD	109%
F-G	FL	38	$3,432 NZD	83%
F-G	IF	323	$2,005 NZD	90%
F-G	SI1	681	$732 NZD	105%
F-G	SI2	46	$763 NZD	71%
F-G	VS1	44,996	$851 NZD	110%
F-G	VS2	9,708	$908 NZD	95%
F-G	VVS1	7,052	$1,066 NZD	109%
F-G	VVS2	55,827	$828 NZD	119%
H-I	IF	25	$2,780 NZD	98%
H-I	SI1	16	$549 NZD	13%
H-I	VS1	1,376	$1,041 NZD	87%
H-I	VS2	399	$1,212 NZD	89%
H-I	VVS1	188	$2,466 NZD	66%
H-I	VVS2	1,335	$1,259 NZD	103%
J-K	VS1	12	$1,100 NZD	81%
J-K	VVS2	46	$898 NZD	81%
L-M	VS1	46	$956 NZD	59%
L-M	VVS2	48	$952 NZD	71%
N+	I	11	$709 NZD	58%
N+	IF	10	$3,637 NZD	5%
N+	SI1	598	$589 NZD	107%
N+	SI2	37	$454 NZD	155%
N+	VS1	8,492	$770 NZD	107%
N+	VS2	3,688	$758 NZD	111%
N+	VVS1	299	$1,027 NZD	101%
N+	VVS2	6,216	$794 NZD	107%
N+	other	676	$3,351 NZD	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