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 $154 CAD/ct to $4,318 CAD/ct, with an average of $862 CAD/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 $154 CAD per carat and the highest is $4,318 CAD 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 422,401 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 422,401 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 $1,035 CAD in total, or $862 CAD per carat, and most listings sit between $154 CAD and $4,318 CAD 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 VS1 at $659 CAD per carat across 80,620 listings. The same shape in natural form runs about $6,291 CAD per carat, roughly 7.3 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 422,401 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$739	$737	$537	$481	$469	$472	$385	$310	-
F-G	$701	$608	$535	$506	$475	$465	$405	-	-
H-I	-	-	$785	$618	$718	$691	$919	-	-
J-K	-	-	-	$742	$495	-	-	$992	-
L-M	-	-	-	$624	$530	-	-	-	-
N+	-	$1,354	$626	$488	$466	$460	$494	$379	$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	28,578	$1,038 CAD	119%
D-E	IF	31,805	$1,036 CAD	114%
D-E	SI1	1,182	$540 CAD	78%
D-E	SI2	41	$435 CAD	96%
D-E	VS1	80,620	$659 CAD	74%
D-E	VS2	17,998	$662 CAD	60%
D-E	VVS1	61,516	$754 CAD	93%
D-E	VVS2	124,280	$676 CAD	88%
F-G	FL	43	$985 CAD	106%
F-G	IF	449	$854 CAD	115%
F-G	SI1	453	$569 CAD	70%
F-G	VS1	15,088	$668 CAD	66%
F-G	VS2	3,506	$653 CAD	69%
F-G	VVS1	4,421	$751 CAD	79%
F-G	VVS2	21,207	$711 CAD	67%
H-I	SI1	166	$1,291 CAD	125%
H-I	VS1	1,335	$1,008 CAD	85%
H-I	VS2	388	$971 CAD	63%
H-I	VVS1	142	$1,103 CAD	51%
H-I	VVS2	657	$869 CAD	64%
J-K	SI2	10	$1,394 CAD	57%
J-K	VS1	55	$695 CAD	83%
J-K	VVS2	20	$1,043 CAD	154%
L-M	VS1	21	$744 CAD	83%
L-M	VVS2	27	$876 CAD	53%
N+	I	69	$338 CAD	160%
N+	IF	188	$1,902 CAD	83%
N+	SI1	812	$695 CAD	166%
N+	SI2	184	$532 CAD	124%
N+	VS1	11,509	$654 CAD	130%
N+	VS2	3,956	$646 CAD	127%
N+	VVS1	737	$879 CAD	129%
N+	VVS2	9,842	$686 CAD	124%
N+	other	1,096	$2,096 CAD	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