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 $232 CAD/ct to $22,554 CAD/ct, with an average of $1,870 CAD/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 $232 CAD per carat and the highest is $22,554 CAD per carat. The spread reflects differences in color, 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 $7,108 CAD in total, or $1,870 CAD per carat, and most listings sit between $232 CAD and $22,554 CAD 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 $593 CAD per carat across 34,117 listings. The same shape in natural form runs about $16,038 CAD 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

Color	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 Color & Clarity

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

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	13,579	$2,984 CAD	127%
D-E	IF	21,730	$2,069 CAD	123%
D-E	SI1	688	$495 CAD	241%
D-E	SI2	44	$447 CAD	197%
D-E	VS1	71,574	$636 CAD	102%
D-E	VS2	10,714	$658 CAD	138%
D-E	VVS1	36,478	$1,421 CAD	131%
D-E	VVS2	125,152	$673 CAD	109%
F-G	FL	73	$2,969 CAD	105%
F-G	IF	900	$1,556 CAD	111%
F-G	SI1	687	$507 CAD	163%
F-G	SI2	29	$1,295 CAD	149%
F-G	VS1	25,461	$604 CAD	130%
F-G	VS2	5,467	$597 CAD	152%
F-G	VVS1	2,992	$897 CAD	163%
F-G	VVS2	34,117	$593 CAD	117%
F-G	other	20	$647 CAD	130%
H-I	IF	25	$1,366 CAD	90%
H-I	SI1	168	$1,010 CAD	121%
H-I	SI2	21	$17,769 CAD	63%
H-I	VS1	2,324	$592 CAD	174%
H-I	VS2	693	$1,202 CAD	93%
H-I	VVS1	155	$1,982 CAD	43%
H-I	VVS2	950	$589 CAD	190%
J-K	I	45	$8,380 CAD	4%
J-K	SI1	26	$1,921 CAD	58%
J-K	SI2	20	$4,660 CAD	173%
J-K	VS1	45	$1,327 CAD	132%
J-K	VS2	70	$1,739 CAD	45%
N+	IF	79	$3,277 CAD	2%
N+	SI1	606	$510 CAD	86%
N+	SI2	68	$451 CAD	92%
N+	VS1	9,762	$638 CAD	87%
N+	VS2	4,351	$607 CAD	86%
N+	VVS1	245	$778 CAD	83%
N+	VVS2	5,387	$685 CAD	85%
N+	other	1,534	$2,762 CAD	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