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

As of October 2026, 1.00 to 1.49ct lab grown cushion diamonds range from €156 EUR/ct to €4,660 EUR/ct, with an average of €586 EUR/ct.

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

As of October 2026, the lowest listed price is €156 EUR per carat and the highest is €4,660 EUR 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 302,044 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 38% 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 October 2026, there are 302,044 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 €704 EUR in total, or €586 EUR per carat, and most listings sit between €156 EUR and €4,660 EUR per carat. About 38% 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 €418 EUR per carat across 14,318 listings. The same shape in natural form runs about €2,976 EUR per carat, roughly 5.1 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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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 302,044 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$859	$885	$538	$502	$471	$481	$453	$458	-
F-G	$959	$883	$546	$486	$467	$488	$483	$568	-
H-I	-	-	$762	$588	$546	$615	$561	-	-
J-K	-	-	-	$657	$697	$896	$1,012	-	-
L-M	-	-	-	$401	$651	$684	-	-	-
N+	-	$1,012	$653	$595	$594	$576	$571	$776	$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	4,658	€769 EUR	102%
D-E	IF	6,691	€792 EUR	106%
D-E	SI1	1,416	€406 EUR	78%
D-E	SI2	137	€410 EUR	96%
D-E	VS1	72,504	€422 EUR	78%
D-E	VS2	16,633	€431 EUR	70%
D-E	VVS1	39,482	€482 EUR	95%
D-E	VVS2	92,977	€449 EUR	83%
F-G	FL	74	€859 EUR	93%
F-G	IF	373	€790 EUR	93%
F-G	SI1	654	€433 EUR	66%
F-G	SI2	25	€508 EUR	82%
F-G	VS1	14,318	€418 EUR	75%
F-G	VS2	4,823	€437 EUR	70%
F-G	VVS1	1,982	€489 EUR	81%
F-G	VVS2	11,987	€435 EUR	76%
H-I	SI1	45	€502 EUR	87%
H-I	VS1	814	€489 EUR	59%
H-I	VS2	391	€550 EUR	53%
H-I	VVS1	157	€682 EUR	56%
H-I	VVS2	450	€526 EUR	51%
J-K	SI1	15	€906 EUR	63%
J-K	VS1	40	€624 EUR	54%
J-K	VS2	12	€802 EUR	76%
J-K	VVS2	46	€588 EUR	51%
L-M	VS1	31	€583 EUR	37%
L-M	VS2	16	€612 EUR	37%
L-M	VVS2	19	€359 EUR	65%
N+	I	46	€261 EUR	84%
N+	IF	224	€906 EUR	119%
N+	SI1	996	€511 EUR	179%
N+	SI2	200	€695 EUR	211%
N+	VS1	12,450	€532 EUR	112%
N+	VS2	4,418	€516 EUR	114%
N+	VVS1	1,606	€585 EUR	111%
N+	VVS2	9,800	€533 EUR	110%
N+	other	1,534	€1,428 EUR	19%

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