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

As of November 2026, 1.00 to 1.49ct lab grown cushion diamonds range from $244 CAD/ct to $6,630 CAD/ct, with an average of $931 CAD/ct.

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

As of November 2026, the lowest listed price is $244 CAD per carat and the highest is $6,630 CAD per carat. The spread reflects differences in color, clarity, cut and retailer pricing.

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

There are 302,087 active lab grown cushion 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 cushion diamond?

Approximately 39% of these diamonds are available at multiple retailers, with an average price spread of 86% between the cheapest and most expensive listing of the same stone.

Lab Grown Cushion Diamonds, 1.00 to 1.49ct

Quick answer

As of November 2026, there are 302,087 listings of lab grown cushion diamonds between 1.00 to 1.49ct from at least 61 retailers. A typical stone in this range costs about $1,117 CAD in total, or $931 CAD per carat, and most listings sit between $244 CAD and $6,630 CAD per carat. About 39% of these stones are listed by more than one retailer, and the same stone is priced 86% 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 $655 CAD per carat across 13,970 listings. The same shape in natural form runs about $4,642 CAD per carat, roughly 5.0 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. Cushion lab grown stones in the index: 555 USD per carat, +4.5% 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 302,087 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$868	$895	$542	$514	$476	$483	$464	$450	-
F-G	$958	$883	$551	$498	$469	$497	$490	$568	-
H-I	-	-	$762	$588	$543	$615	$561	-	-
J-K	-	-	-	$661	$681	$896	$1,008	-	-
L-M	-	-	-	$401	$647	$684	-	-	-
N+	$1,158	$1,012	$650	$596	$596	$575	$582	$895	$291

Price by Color & Clarity

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

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	4,732	$1,213 CAD	100%
D-E	IF	6,699	$1,251 CAD	105%
D-E	SI1	1,434	$648 CAD	76%
D-E	SI2	140	$629 CAD	99%
D-E	VS1	72,516	$665 CAD	78%
D-E	VS2	16,678	$675 CAD	70%
D-E	VVS1	39,727	$757 CAD	96%
D-E	VVS2	92,313	$718 CAD	82%
F-G	FL	73	$1,339 CAD	87%
F-G	IF	374	$1,234 CAD	93%
F-G	SI1	644	$684 CAD	67%
F-G	SI2	25	$794 CAD	82%
F-G	VS1	13,970	$655 CAD	75%
F-G	VS2	4,688	$695 CAD	69%
F-G	VVS1	2,011	$769 CAD	80%
F-G	VVS2	11,812	$695 CAD	73%
H-I	SI1	45	$783 CAD	87%
H-I	VS1	818	$758 CAD	59%
H-I	VS2	391	$859 CAD	53%
H-I	VVS1	157	$1,065 CAD	56%
H-I	VVS2	454	$821 CAD	51%
J-K	SI1	15	$1,409 CAD	64%
J-K	VS1	37	$952 CAD	71%
J-K	VS2	12	$1,252 CAD	76%
J-K	VVS2	48	$924 CAD	61%
L-M	VS1	34	$905 CAD	30%
L-M	VS2	16	$956 CAD	37%
L-M	VVS2	19	$560 CAD	71%
N+	FL	11	$1,618 CAD	128%
N+	I	46	$407 CAD	83%
N+	IF	224	$1,414 CAD	119%
N+	SI1	1,005	$814 CAD	192%
N+	SI2	208	$1,251 CAD	164%
N+	VS1	12,592	$832 CAD	114%
N+	VS2	4,450	$804 CAD	118%
N+	VVS1	1,635	$908 CAD	113%
N+	VVS2	9,938	$833 CAD	113%
N+	other	2,096	$2,123 CAD	16%

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