How much does a 1.00 to 1.49ct lab grown marquise diamond cost?

As of November 2026, 1.00 to 1.49ct lab grown marquise diamonds range from €98 EUR/ct to €3,166 EUR/ct, with an average of €541 EUR/ct.

What is the price range for 1.00 to 1.49ct lab grown marquise diamonds?

As of November 2026, the lowest listed price is €98 EUR per carat and the highest is €3,166 EUR per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 1.00 to 1.49ct lab grown marquise diamonds are available?

There are 421,263 active lab grown marquise listings between 1.00 to 1.49ct across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 1.00 to 1.49ct lab grown marquise diamond?

Approximately 42% of these diamonds are available at multiple retailers, with an average price spread of 95% between the cheapest and most expensive listing of the same stone.

Lab Grown Marquise Diamonds, 1.00 to 1.49ct

Quick answer

As of November 2026, there are 421,263 listings of lab grown marquise diamonds between 1.00 to 1.49ct from at least 58 retailers. A typical stone in this range costs about €649 EUR in total, or €541 EUR per carat, and most listings sit between €98 EUR and €3,166 EUR per carat. About 42% of these stones are listed by more than one retailer, and the same stone is priced 95% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is D to E VS1 at €431 EUR per carat across 77,866 listings. The same shape in natural form runs about €4,023 EUR per carat, roughly 7.4 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 421,263 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$737	$744	$540	$493	$482	$498	$392	$312	-
F-G	$686	$609	$537	$528	$484	$463	$405	-	-
H-I	-	-	$781	$622	$722	$690	$845	-	-
J-K	-	-	-	$742	$486	-	-	-	-
L-M	-	-	-	$624	$518	-	-	-	-
N+	-	$1,277	$618	$485	$463	$448	$519	$381	$240

Price by Colour & Clarity

Average price per carat for 1.00 to 1.49ct lab grown marquise diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	28,901	€660 EUR	117%
D-E	IF	32,188	€666 EUR	112%
D-E	SI1	1,174	€350 EUR	75%
D-E	SI2	40	€279 EUR	87%
D-E	VS1	77,866	€431 EUR	73%
D-E	VS2	17,803	€445 EUR	58%
D-E	VVS1	62,771	€483 EUR	92%
D-E	VVS2	122,667	€441 EUR	88%
F-G	FL	40	€614 EUR	112%
F-G	IF	461	€545 EUR	114%
F-G	SI1	453	€363 EUR	64%
F-G	VS1	15,147	€433 EUR	66%
F-G	VS2	3,571	€414 EUR	69%
F-G	VVS1	4,451	€480 EUR	78%
F-G	VVS2	20,912	€472 EUR	65%
H-I	SI1	164	€756 EUR	141%
H-I	VS1	1,316	€646 EUR	104%
H-I	VS2	395	€617 EUR	72%
H-I	VVS1	145	€699 EUR	51%
H-I	VVS2	647	€557 EUR	63%
J-K	VS1	55	€435 EUR	86%
J-K	VVS2	38	€664 EUR	124%
L-M	VS1	20	€463 EUR	91%
L-M	VVS2	27	€558 EUR	53%
N+	I	69	€215 EUR	160%
N+	IF	191	€1,143 EUR	87%
N+	SI1	813	€464 EUR	157%
N+	SI2	188	€341 EUR	125%
N+	VS1	12,051	€414 EUR	131%
N+	VS2	4,194	€401 EUR	131%
N+	VVS1	783	€553 EUR	130%
N+	VVS2	10,343	€434 EUR	124%
N+	other	1,379	€1,304 EUR	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