How much does a 3.00 to 4.99ct lab grown radiant diamond cost?

As of September 2026, 3.00 to 4.99ct lab grown radiant diamonds range from $229 SGD/ct to $22,253 SGD/ct, with an average of $1,845 SGD/ct.

What is the price range for 3.00 to 4.99ct lab grown radiant diamonds?

As of September 2026, the lowest listed price is $229 SGD per carat and the highest is $22,253 SGD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 3.00 to 4.99ct lab grown radiant diamonds are available?

There are 376,279 active lab grown radiant listings between 3.00 to 4.99ct across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 3.00 to 4.99ct lab grown radiant diamond?

Approximately 17% of these diamonds are available at multiple retailers, with an average price spread of 111% between the cheapest and most expensive listing of the same stone.

Lab Grown Radiant Diamonds, 3.00 to 4.99ct

Quick answer

As of September 2026, there are 376,279 lab grown radiant diamonds between 3.00 to 4.99ct listed by at least 53 retailers. A typical stone in this range costs about $7,013 SGD in total, or $1,845 SGD per carat, and most listings sit between $229 SGD and $22,253 SGD per carat. About 17% of these stones are listed by more than one retailer, and the same stone is priced 111% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is F to G VVS2 at $585 SGD per carat across 34,117 listings. The same shape in natural form runs about $15,824 SGD per carat, roughly 8.6 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. Radiant lab grown stones in the index: 473 USD per carat, -12.5% 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 376,279 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$2,208	$1,531	$1,052	$498	$471	$487	$366	$330	-
F-G	$2,197	$1,151	$664	$439	$447	$442	$375	$959	-
H-I	-	$1,011	$1,467	$436	$438	$889	$748	$13K	-
J-K	-	-	-	-	$982	$1,287	$1,422	$3,449	$6,201
N+	-	$2,425	$575	$507	$472	$449	$378	$333	-

Price by Colour & Clarity

Average price per carat for 3.00 to 4.99ct lab grown radiant diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	13,579	$2,945 SGD	127%
D-E	IF	21,730	$2,042 SGD	123%
D-E	SI1	688	$489 SGD	241%
D-E	SI2	44	$441 SGD	197%
D-E	VS1	71,574	$628 SGD	102%
D-E	VS2	10,714	$649 SGD	138%
D-E	VVS1	36,478	$1,402 SGD	131%
D-E	VVS2	125,152	$664 SGD	109%
F-G	FL	73	$2,929 SGD	105%
F-G	IF	900	$1,535 SGD	111%
F-G	SI1	687	$500 SGD	163%
F-G	SI2	29	$1,278 SGD	149%
F-G	VS1	25,461	$596 SGD	130%
F-G	VS2	5,467	$590 SGD	152%
F-G	VVS1	2,992	$885 SGD	163%
F-G	VVS2	34,117	$585 SGD	117%
F-G	other	20	$638 SGD	130%
H-I	IF	25	$1,348 SGD	90%
H-I	SI1	168	$997 SGD	121%
H-I	SI2	21	$17,532 SGD	63%
H-I	VS1	2,324	$584 SGD	174%
H-I	VS2	693	$1,186 SGD	93%
H-I	VVS1	155	$1,956 SGD	43%
H-I	VVS2	950	$581 SGD	190%
J-K	I	45	$8,268 SGD	4%
J-K	SI1	26	$1,895 SGD	58%
J-K	SI2	20	$4,598 SGD	173%
J-K	VS1	45	$1,309 SGD	132%
J-K	VS2	70	$1,716 SGD	45%
N+	IF	79	$3,233 SGD	2%
N+	SI1	606	$504 SGD	86%
N+	SI2	68	$445 SGD	92%
N+	VS1	9,762	$629 SGD	87%
N+	VS2	4,351	$599 SGD	86%
N+	VVS1	245	$767 SGD	83%
N+	VVS2	5,387	$676 SGD	85%
N+	other	1,534	$2,725 SGD	12%

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