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

As of October 2026, 1.00 to 1.49ct lab grown marquise diamonds range from €98 EUR/ct to €2,758 EUR/ct, with an average of €545 EUR/ct.

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

As of October 2026, the lowest listed price is €98 EUR per carat and the highest is €2,758 EUR per carat. The spread reflects differences in color, clarity, cut and retailer pricing.

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

There are 423,676 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 94% between the cheapest and most expensive listing of the same stone.

Lab Grown Marquise Diamonds, 1.00 to 1.49ct

Quick answer

As of October 2026, there are 423,676 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 €654 EUR in total, or €545 EUR per carat, and most listings sit between €98 EUR and €2,758 EUR per carat. About 42% 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 D to E VS2 at €425 EUR per carat across 17,901 listings. The same shape in natural form runs about €4,020 EUR per carat, roughly 7.4 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 423,676 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$737	$741	$537	$482	$474	$474	$387	$312	-
F-G	$677	$610	$534	$512	$475	$462	$406	-	-
H-I	-	-	$785	$617	$708	$686	$846	-	-
J-K	-	-	-	$742	$489	-	-	$992	-
L-M	-	-	-	$624	$500	-	-	-	-
N+	-	$1,321	$626	$480	$462	$455	$511	$380	$240

Price by Color & Clarity

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

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	28,674	€660 EUR	118%
D-E	IF	31,989	€663 EUR	113%
D-E	SI1	1,181	€346 EUR	76%
D-E	SI2	40	€280 EUR	94%
D-E	VS1	80,116	€425 EUR	72%
D-E	VS2	17,901	€425 EUR	59%
D-E	VVS1	62,214	€481 EUR	93%
D-E	VVS2	124,616	€431 EUR	88%
F-G	FL	42	€606 EUR	112%
F-G	IF	450	€546 EUR	114%
F-G	SI1	450	€363 EUR	68%
F-G	VS1	15,138	€425 EUR	65%
F-G	VS2	3,543	€414 EUR	69%
F-G	VVS1	4,426	€478 EUR	78%
F-G	VVS2	21,226	€458 EUR	65%
H-I	SI1	166	€757 EUR	141%
H-I	VS1	1,323	€634 EUR	86%
H-I	VS2	390	€614 EUR	65%
H-I	VVS1	142	€703 EUR	51%
H-I	VVS2	654	€552 EUR	64%
J-K	SI2	10	€888 EUR	57%
J-K	VS1	56	€437 EUR	82%
J-K	VVS2	22	€664 EUR	138%
L-M	VS1	21	€448 EUR	93%
L-M	VVS2	27	€558 EUR	53%
N+	I	69	€215 EUR	160%
N+	IF	193	€1,183 EUR	86%
N+	SI1	811	€457 EUR	155%
N+	SI2	188	€340 EUR	125%
N+	VS1	11,720	€413 EUR	131%
N+	VS2	4,051	€408 EUR	128%
N+	VVS1	750	€561 EUR	129%
N+	VVS2	10,015	€430 EUR	125%
N+	other	1,062	€1,335 EUR	24%

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