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

As of October 2026, 3.00 to 4.99ct lab grown marquise diamonds range from $176 SGD/ct to $9,469 SGD/ct, with an average of $1,096 SGD/ct.

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

As of October 2026, the lowest listed price is $176 SGD per carat and the highest is $9,469 SGD 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 345,491 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 October 2026, there are 345,491 listings of lab grown marquise diamonds between 3.00 to 4.99ct from at least 62 retailers. A typical stone in this range costs about $4,164 SGD in total, or $1,096 SGD per carat, and most listings sit between $176 SGD and $9,469 SGD 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 $593 SGD per carat across 53,161 listings. The same shape in natural form runs about $18,132 SGD per carat, roughly 16.5 times more.

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

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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: October 2026

Browse 345,491 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$3,098	$2,246	$780	$561	$514	$505	$425	$325	-
F-G	$1,895	$1,180	$615	$463	$481	$504	$412	$429	-
H-I	-	$1,564	$1,387	$707	$572	$695	$309	-	-
J-K	-	-	-	$514	$779	-	-	-	-
L-M	-	-	-	$535	$553	-	-	-	-
N+	-	$2,240	$599	$460	$440	$440	$321	$292	$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	3,374	$3,970 SGD	77%
D-E	IF	4,894	$2,879 SGD	93%
D-E	SI1	520	$545 SGD	112%
D-E	SI2	29	$417 SGD	87%
D-E	VS1	58,800	$659 SGD	115%
D-E	VS2	13,170	$647 SGD	102%
D-E	VVS1	36,339	$999 SGD	103%
D-E	VVS2	92,344	$719 SGD	112%
F-G	FL	39	$2,429 SGD	91%
F-G	IF	313	$1,512 SGD	87%
F-G	SI1	648	$529 SGD	105%
F-G	SI2	45	$550 SGD	70%
F-G	VS1	43,594	$616 SGD	109%
F-G	VS2	9,907	$646 SGD	97%
F-G	VVS1	6,504	$788 SGD	109%
F-G	VVS2	53,161	$593 SGD	121%
H-I	IF	25	$2,004 SGD	97%
H-I	SI1	16	$396 SGD	13%
H-I	VS1	1,432	$733 SGD	94%
H-I	VS2	408	$891 SGD	88%
H-I	VVS1	194	$1,778 SGD	67%
H-I	VVS2	1,349	$906 SGD	108%
J-K	VS1	12	$999 SGD	69%
J-K	VVS2	34	$659 SGD	83%
L-M	VS1	35	$708 SGD	61%
L-M	VVS2	49	$686 SGD	70%
N+	I	11	$511 SGD	54%
N+	IF	10	$2,870 SGD	6%
N+	SI1	575	$412 SGD	110%
N+	SI2	39	$375 SGD	123%
N+	VS1	7,810	$564 SGD	106%
N+	VS2	3,387	$564 SGD	108%
N+	VVS1	279	$768 SGD	102%
N+	VVS2	5,708	$589 SGD	104%
N+	other	437	$2,771 SGD	19%

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