Is a lab grown cushion diamond worth it in Singapore?

Lab Grown cushion stones in Singapore are priced in SGD and reflect local retailer markup. Cross-retailer aggregation across more than one hundred sources lets you see if a particular listing is above or below the regional median.

Where does Singapore pricing data come from for cushion diamonds?

Carat Hunter aggregates retailer pricing from more than one hundred jewellery sites globally and shows the Singapore view in SGD. Pricing for cushion stones is refreshed daily.

Lab Grown Cushion Diamond Prices in Singapore

Quick answer

As of November 2026, Carat Hunter tracks 1,790,430 listings of lab grown cushion diamonds from at least 64 retailers. The median listing sits at $1,069 SGD per carat, and most stock falls between $153 SGD and $11,107 SGD per carat. About 41% of these stones are listed by more than one retailer, and the same stone is priced 91% apart on average between its cheapest and most expensive seller. The most common size is 3.00 to 3.99 carats, with 304,629 listings at an average of $1,051 SGD per carat. The best value grade combination with real depth of stock is F to G VS1 at $665 SGD per carat across 145,845 listings. The same shape in natural form runs about $9,105 SGD per carat, roughly 8.5 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

By Carat Weight

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$1,584	$1,319	$797	$603	$561	$557	$452	$495	-
F-G	$1,541	$1,244	$727	$554	$521	$529	$478	$532	$448
H-I	-	$1,664	$1,090	$573	$577	$643	$984	$1,041	-
J-K	-	-	$1,206	$547	$755	$846	$1,179	$1,662	-
L-M	-	-	-	$596	$569	$600	-	-	-
N+	$1,489	$2,032	$884	$753	$727	$834	$869	$901	$768

By Carat Weight

Price by Colour & Clarity

Colour	Clarity	Listings	Avg Price/ct
D-E	FL	48,610	$2,024 SGD
D-E	IF	59,329	$1,685 SGD
D-E	SI1	7,966	$577 SGD
D-E	SI2	734	$633 SGD
D-E	VS1	377,923	$717 SGD
D-E	VS2	72,151	$712 SGD
D-E	VVS1	182,652	$1,019 SGD
D-E	VVS2	466,789	$770 SGD
F-G	FL	389	$1,969 SGD
F-G	I	14	$573 SGD
F-G	IF	2,339	$1,589 SGD
F-G	SI1	4,403	$610 SGD
F-G	SI2	352	$680 SGD
F-G	VS1	145,845	$665 SGD
F-G	VS2	34,380	$676 SGD
F-G	VVS1	16,636	$929 SGD
F-G	VVS2	140,559	$709 SGD
H-I	IF	23	$2,126 SGD
H-I	SI1	959	$1,258 SGD
H-I	SI2	235	$1,330 SGD
H-I	VS1	12,490	$737 SGD
H-I	VS2	3,949	$822 SGD
H-I	VVS1	882	$1,393 SGD
H-I	VVS2	6,142	$732 SGD
J-K	SI1	352	$1,507 SGD
J-K	SI2	139	$2,123 SGD
J-K	VS1	839	$965 SGD
J-K	VS2	491	$1,081 SGD
J-K	VVS1	25	$1,541 SGD
J-K	VVS2	442	$700 SGD
L-M	VS1	803	$727 SGD
L-M	VS2	95	$767 SGD
L-M	VVS2	278	$762 SGD
N+	FL	70	$1,903 SGD
N+	I	184	$981 SGD
N+	IF	662	$2,597 SGD
N+	SI1	5,953	$1,111 SGD
N+	SI2	1,250	$1,151 SGD
N+	VS1	90,159	$930 SGD
N+	VS2	33,874	$1,066 SGD
N+	VVS1	5,541	$1,130 SGD
N+	VVS2	54,066	$962 SGD
N+	other	9,456	$2,129 SGD