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 €155 EUR/ct to €4,230 EUR/ct, with an average of €600 EUR/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 €155 EUR per carat and the highest is €4,230 EUR per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

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

There are 300,515 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 85% 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 300,515 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 €720 EUR in total, or €600 EUR per carat, and most listings sit between €155 EUR and €4,230 EUR per carat. About 39% of these stones are listed by more than one retailer, and the same stone is priced 85% 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 €421 EUR per carat across 13,775 listings. The same shape in natural form runs about €2,963 EUR per carat, roughly 4.9 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 300,515 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$876	$900	$545	$518	$479	$488	$470	$453	-
F-G	$965	$885	$560	$504	$472	$501	$494	$694	-
H-I	-	-	$762	$594	$543	$615	$561	-	-
J-K	-	-	-	$658	$681	$896	$1,008	-	-
L-M	-	-	-	$401	$654	$684	-	-	-
N+	$1,249	$1,012	$643	$595	$596	$575	$581	$900	$290

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	4,775	€781 EUR	99%
D-E	IF	6,692	€803 EUR	103%
D-E	SI1	1,418	€419 EUR	77%
D-E	SI2	139	€404 EUR	97%
D-E	VS1	71,671	€427 EUR	78%
D-E	VS2	16,515	€435 EUR	69%
D-E	VVS1	39,832	€486 EUR	95%
D-E	VVS2	91,850	€462 EUR	82%
F-G	FL	73	€860 EUR	81%
F-G	IF	373	€789 EUR	92%
F-G	SI1	624	€441 EUR	70%
F-G	SI2	14	€619 EUR	82%
F-G	VS1	13,775	€421 EUR	74%
F-G	VS2	4,538	€447 EUR	71%
F-G	VVS1	2,014	€499 EUR	79%
F-G	VVS2	11,685	€450 EUR	73%
H-I	SI1	45	€500 EUR	87%
H-I	VS1	815	€484 EUR	59%
H-I	VS2	385	€548 EUR	53%
H-I	VVS1	157	€680 EUR	56%
H-I	VVS2	450	€530 EUR	49%
J-K	SI1	15	€899 EUR	64%
J-K	VS1	37	€607 EUR	67%
J-K	VS2	12	€799 EUR	76%
J-K	VVS2	48	€587 EUR	41%
L-M	VS1	36	€583 EUR	35%
L-M	VS2	16	€610 EUR	37%
L-M	VVS2	18	€358 EUR	70%
N+	FL	12	€1,113 EUR	110%
N+	I	46	€258 EUR	84%
N+	IF	224	€902 EUR	119%
N+	SI1	1,011	€518 EUR	199%
N+	SI2	208	€803 EUR	163%
N+	VS1	12,725	€532 EUR	114%
N+	VS2	4,458	€513 EUR	118%
N+	VVS1	1,655	€574 EUR	114%
N+	VVS2	10,078	€531 EUR	113%
N+	other	2,076	€1,355 EUR	15%

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