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 $193 CAD/ct to $10,377 CAD/ct, with an average of $1,201 CAD/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 $193 CAD per carat and the highest is $10,377 CAD per carat. The spread reflects differences in color, 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 $4,563 CAD in total, or $1,201 CAD per carat, and most listings sit between $193 CAD and $10,377 CAD 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 $650 CAD per carat across 53,161 listings. The same shape in natural form runs about $19,872 CAD 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

Color	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 Color & Clarity

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

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	3,374	$4,351 CAD	77%
D-E	IF	4,894	$3,155 CAD	93%
D-E	SI1	520	$597 CAD	112%
D-E	SI2	29	$457 CAD	87%
D-E	VS1	58,800	$722 CAD	115%
D-E	VS2	13,170	$709 CAD	102%
D-E	VVS1	36,339	$1,095 CAD	103%
D-E	VVS2	92,344	$788 CAD	112%
F-G	FL	39	$2,662 CAD	91%
F-G	IF	313	$1,657 CAD	87%
F-G	SI1	648	$579 CAD	105%
F-G	SI2	45	$602 CAD	70%
F-G	VS1	43,594	$675 CAD	109%
F-G	VS2	9,907	$708 CAD	97%
F-G	VVS1	6,504	$864 CAD	109%
F-G	VVS2	53,161	$650 CAD	121%
H-I	IF	25	$2,197 CAD	97%
H-I	SI1	16	$434 CAD	13%
H-I	VS1	1,432	$803 CAD	94%
H-I	VS2	408	$977 CAD	88%
H-I	VVS1	194	$1,949 CAD	67%
H-I	VVS2	1,349	$993 CAD	108%
J-K	VS1	12	$1,095 CAD	69%
J-K	VVS2	34	$722 CAD	83%
L-M	VS1	35	$776 CAD	61%
L-M	VVS2	49	$752 CAD	70%
N+	I	11	$561 CAD	54%
N+	IF	10	$3,146 CAD	6%
N+	SI1	575	$451 CAD	110%
N+	SI2	39	$411 CAD	123%
N+	VS1	7,810	$619 CAD	106%
N+	VS2	3,387	$618 CAD	108%
N+	VVS1	279	$842 CAD	102%
N+	VVS2	5,708	$646 CAD	104%
N+	other	437	$3,037 CAD	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