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

As of September 2026, 5.00ct+ lab grown cushion diamonds range from $203 SGD/ct to $45,254 SGD/ct, with an average of $2,089 SGD/ct.

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

As of September 2026, the lowest listed price is $203 SGD per carat and the highest is $45,254 SGD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

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

There are 113,759 active lab grown cushion listings between 5.00ct+ across 100+ retailers in the Carat Hunter index, refreshed daily.

Lab Grown Cushion Diamonds, 5.00ct+

Quick answer

As of September 2026, there are 113,759 lab grown cushion diamonds between 5.00ct+ listed by at least 49 retailers. A typical stone in this range costs about $12,535 SGD in total, or $2,089 SGD per carat, and most listings sit between $203 SGD and $45,254 SGD per carat. The best value grade combination with real depth of stock is F to G VS2 at $623 SGD per carat across 3,787 listings. The same shape in natural form runs about $31,147 SGD per carat, roughly 14.9 times more.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Cushion lab grown stones in the index: 466 USD per carat, -14.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Browse 113,759 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2
D-E	$6,204	$8,206	$1,533	$628	$619	$583	$335	$290
F-G	$4,900	$2,680	$1,125	$509	$484	$468	$334	$295
H-I	-	-	$692	$628	$539	$723	$1,384	$2,746
J-K	-	-	$1,508	$541	$780	$608	$758	$14K
L-M	-	-	-	-	$614	-	-	-
N+	-	-	$868	$538	$562	$536	$453	$293

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	2,888	$8,272 SGD	81%
D-E	IF	2,213	$10,941 SGD	88%
D-E	SI1	247	$446 SGD	169%
D-E	SI2	25	$387 SGD	87%
D-E	VS1	16,857	$826 SGD	118%
D-E	VS2	2,560	$777 SGD	127%
D-E	VVS1	4,102	$2,044 SGD	100%
D-E	VVS2	28,545	$838 SGD	114%
F-G	FL	25	$6,533 SGD	50%
F-G	IF	36	$3,573 SGD	74%
F-G	SI1	340	$445 SGD	186%
F-G	SI2	17	$393 SGD	277%
F-G	VS1	15,407	$646 SGD	125%
F-G	VS2	3,787	$623 SGD	132%
F-G	VVS1	946	$1,500 SGD	100%
F-G	VVS2	17,746	$679 SGD	128%
H-I	SI1	40	$1,845 SGD	442%
H-I	SI2	10	$3,662 SGD	475%
H-I	VS1	1,111	$719 SGD	128%
H-I	VS2	419	$964 SGD	90%
H-I	VVS1	68	$922 SGD	154%
H-I	VVS2	446	$838 SGD	122%
J-K	SI1	11	$1,011 SGD	193%
J-K	SI2	12	$19,064 SGD	25%
J-K	VS1	44	$1,040 SGD	50%
J-K	VS2	15	$811 SGD	186%
J-K	VVS1	13	$2,010 SGD	57%
J-K	VVS2	16	$722 SGD	75%
L-M	VS1	18	$819 SGD	19%
N+	SI1	561	$603 SGD	98%
N+	SI2	46	$390 SGD	117%
N+	VS1	7,359	$750 SGD	104%
N+	VS2	3,898	$715 SGD	106%
N+	VVS1	44	$1,157 SGD	99%
N+	VVS2	2,955	$718 SGD	106%
N+	other	932	$3,106 SGD	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