How much does a 2.00 to 2.99ct lab grown marquise diamond cost?

As of October 2026, 2.00 to 2.99ct lab grown marquise diamonds range from £90 GBP/ct to £3,311 GBP/ct, with an average of £537 GBP/ct.

What is the price range for 2.00 to 2.99ct lab grown marquise diamonds?

As of October 2026, the lowest listed price is £90 GBP per carat and the highest is £3,311 GBP per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 2.00 to 2.99ct lab grown marquise diamonds are available?

There are 480,883 active lab grown marquise listings between 2.00 to 2.99ct across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 2.00 to 2.99ct lab grown marquise diamond?

Approximately 46% of these diamonds are available at multiple retailers, with an average price spread of 94% between the cheapest and most expensive listing of the same stone.

Lab Grown Marquise Diamonds, 2.00 to 2.99ct

Quick answer

As of October 2026, there are 480,883 listings of lab grown marquise diamonds between 2.00 to 2.99ct from at least 61 retailers. A typical stone in this range costs about £1,290 GBP in total, or £537 GBP per carat, and most listings sit between £90 GBP and £3,311 GBP per carat. About 46% of these stones are listed by more than one retailer, and the same stone is priced 94% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is F to G VS1 at £374 GBP per carat across 40,908 listings. The same shape in natural form runs about £7,310 GBP per carat, roughly 13.6 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 480,883 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$1,852	$1,426	$663	$519	$515	$502	$396	$256	-
F-G	$1,047	$1,106	$567	$518	$497	$596	$525	-	-
H-I	-	-	$1,305	$659	$649	$860	$654	-	-
J-K	-	-	-	-	$575	-	-	-	-
L-M	-	-	$724	$614	$670	-	-	-	-
N+	-	$1,343	$539	$489	$475	$427	$334	$455	$182

Price by Colour & Clarity

Average price per carat for 2.00 to 2.99ct lab grown marquise diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	14,793	£1,394 GBP	87%
D-E	IF	16,466	£1,073 GBP	93%
D-E	SI1	1,103	£298 GBP	141%
D-E	SI2	68	£192 GBP	92%
D-E	VS1	86,018	£388 GBP	101%
D-E	VS2	20,681	£378 GBP	99%
D-E	VVS1	71,581	£499 GBP	101%
D-E	VVS2	136,777	£390 GBP	109%
F-G	FL	21	£788 GBP	70%
F-G	IF	829	£833 GBP	99%
F-G	SI1	434	£395 GBP	113%
F-G	VS1	40,908	£374 GBP	96%
F-G	VS2	9,145	£449 GBP	84%
F-G	VVS1	9,351	£426 GBP	115%
F-G	VVS2	53,342	£390 GBP	102%
H-I	SI1	39	£493 GBP	218%
H-I	VS1	742	£489 GBP	98%
H-I	VS2	277	£647 GBP	42%
H-I	VVS1	160	£982 GBP	21%
H-I	VVS2	699	£496 GBP	102%
J-K	VS1	20	£432 GBP	68%
L-M	VS1	27	£504 GBP	37%
L-M	VVS1	11	£545 GBP	43%
L-M	VVS2	49	£462 GBP	47%
N+	I	26	£137 GBP	156%
N+	IF	33	£1,011 GBP	88%
N+	SI1	468	£251 GBP	119%
N+	SI2	115	£342 GBP	105%
N+	VS1	7,287	£358 GBP	118%
N+	VS2	2,682	£321 GBP	123%
N+	VVS1	379	£406 GBP	116%
N+	VVS2	5,858	£368 GBP	118%
N+	other	494	£1,363 GBP	23%

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