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 HK$861 HKD/ct to HK$27,772 HKD/ct, with an average of HK$4,741 HKD/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 HK$861 HKD per carat and the highest is HK$27,772 HKD 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 HK$5,689 HKD in total, or HK$4,741 HKD per carat, and most listings sit between HK$861 HKD and HK$27,772 HKD 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 HK$3,784 HKD per carat across 77,866 listings. The same shape in natural form runs about HK$35,282 HKD 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	HK$5,785 HKD	117%
D-E	IF	32,188	HK$5,838 HKD	112%
D-E	SI1	1,174	HK$3,073 HKD	75%
D-E	SI2	40	HK$2,451 HKD	87%
D-E	VS1	77,866	HK$3,784 HKD	73%
D-E	VS2	17,803	HK$3,906 HKD	58%
D-E	VVS1	62,771	HK$4,235 HKD	92%
D-E	VVS2	122,667	HK$3,870 HKD	88%
F-G	FL	40	HK$5,384 HKD	112%
F-G	IF	461	HK$4,782 HKD	114%
F-G	SI1	453	HK$3,180 HKD	64%
F-G	VS1	15,147	HK$3,795 HKD	66%
F-G	VS2	3,571	HK$3,634 HKD	69%
F-G	VVS1	4,451	HK$4,211 HKD	78%
F-G	VVS2	20,912	HK$4,140 HKD	65%
H-I	SI1	164	HK$6,629 HKD	141%
H-I	VS1	1,316	HK$5,663 HKD	104%
H-I	VS2	395	HK$5,415 HKD	72%
H-I	VVS1	145	HK$6,132 HKD	51%
H-I	VVS2	647	HK$4,881 HKD	63%
J-K	VS1	55	HK$3,816 HKD	86%
J-K	VVS2	38	HK$5,824 HKD	124%
L-M	VS1	20	HK$4,062 HKD	91%
L-M	VVS2	27	HK$4,894 HKD	53%
N+	I	69	HK$1,886 HKD	160%
N+	IF	191	HK$10,022 HKD	87%
N+	SI1	813	HK$4,072 HKD	157%
N+	SI2	188	HK$2,987 HKD	125%
N+	VS1	12,051	HK$3,630 HKD	131%
N+	VS2	4,194	HK$3,514 HKD	131%
N+	VVS1	783	HK$4,847 HKD	130%
N+	VVS2	10,343	HK$3,805 HKD	124%
N+	other	1,379	HK$11,437 HKD	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