How much does a 5.00ct+ lab grown cushion diamond cost?

As of October 2026, 5.00ct+ lab grown cushion diamonds range from €109 EUR/ct to €7,904 EUR/ct, with an average of €958 EUR/ct.

What is the price range for 5.00ct+ lab grown cushion diamonds?

As of October 2026, the lowest listed price is €109 EUR per carat and the highest is €7,904 EUR per carat. The spread reflects differences in color, clarity, cut and retailer pricing.

How many 5.00ct+ lab grown cushion diamonds are available?

There are 201,809 active lab grown cushion listings between 5.00ct+ across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 5.00ct+ lab grown cushion diamond?

Approximately 42% of these diamonds are available at multiple retailers, with an average price spread of 90% between the cheapest and most expensive listing of the same stone.

Lab Grown Cushion Diamonds, 5.00ct+

Quick answer

As of October 2026, there are 201,809 listings of lab grown cushion diamonds between 5.00ct+ from at least 59 retailers. A typical stone in this range costs about €5,751 EUR in total, or €958 EUR per carat, and most listings sit between €109 EUR and €7,904 EUR per carat. About 42% of these stones are listed by more than one retailer, and the same stone is priced 90% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is F to G VS2 at €414 EUR per carat across 6,452 listings. The same shape in natural form runs about €15,213 EUR per carat, roughly 15.9 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 201,809 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$5,863	$2,734	$1,135	$602	$577	$552	$390	$310	-
F-G	$4,108	$1,969	$927	$501	$475	$463	$306	$259	-
H-I	-	-	$1,908	$630	$543	$623	$3,202	-	-
J-K	-	-	$1,934	$572	$637	-	$625	-	-
L-M	-	-	-	$669	$626	-	-	-	-
N+	-	$1,856	$894	$544	$567	$522	$396	$387	$339

Price by Color & Clarity

Average price per carat for 5.00ct+ lab grown cushion diamonds by color and clarity grade.

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	3,800	€5,248 EUR	73%
D-E	IF	3,302	€2,447 EUR	93%
D-E	SI1	368	€349 EUR	117%
D-E	SI2	34	€277 EUR	104%
D-E	VS1	31,884	€516 EUR	98%
D-E	VS2	4,691	€494 EUR	96%
D-E	VVS1	6,364	€1,016 EUR	100%
D-E	VVS2	49,040	€539 EUR	101%
F-G	FL	35	€3,677 EUR	59%
F-G	IF	76	€1,763 EUR	78%
F-G	SI1	496	€274 EUR	131%
F-G	SI2	25	€232 EUR	90%
F-G	VS1	28,534	€425 EUR	96%
F-G	VS2	6,452	€414 EUR	98%
F-G	VVS1	1,401	€830 EUR	92%
F-G	VVS2	32,964	€448 EUR	100%
H-I	SI1	11	€2,866 EUR	88%
H-I	VS1	1,632	€486 EUR	88%
H-I	VS2	484	€558 EUR	111%
H-I	VVS1	166	€1,708 EUR	56%
H-I	VVS2	872	€564 EUR	124%
J-K	SI1	11	€560 EUR	149%
J-K	VS1	64	€570 EUR	59%
J-K	VVS1	17	€1,731 EUR	60%
J-K	VVS2	22	€512 EUR	59%
L-M	VS1	24	€560 EUR	27%
L-M	VVS2	15	€599 EUR	41%
N+	I	19	€303 EUR	66%
N+	IF	10	€1,661 EUR	79%
N+	SI1	1,038	€355 EUR	109%
N+	SI2	93	€346 EUR	104%
N+	VS1	13,824	€508 EUR	98%
N+	VS2	7,475	€467 EUR	101%
N+	VVS1	99	€800 EUR	84%
N+	VVS2	5,828	€487 EUR	96%
N+	other	639	€2,004 EUR	13%

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