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

As of October 2026, 3.00 to 4.99ct lab grown radiant diamonds range from $118 CAD/ct to $6,702 CAD/ct, with an average of $1,000 CAD/ct.

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

As of October 2026, the lowest listed price is $118 CAD per carat and the highest is $6,702 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 515,714 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 42% of these diamonds are available at multiple retailers, with an average price spread of 95% between the cheapest and most expensive listing of the same stone.

Lab Grown Radiant Diamonds, 3.00 to 4.99ct

Quick answer

As of October 2026, there are 515,714 listings of lab grown radiant diamonds between 3.00 to 4.99ct from at least 62 retailers. A typical stone in this range costs about $3,799 CAD in total, or $1,000 CAD per carat, and most listings sit between $118 CAD and $6,702 CAD per carat. About 42% of these stones are listed by more than one retailer, and the same stone is priced 95% 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 $615 CAD per carat across 8,678 listings. The same shape in natural form runs about $17,649 CAD per carat, roughly 17.7 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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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 515,714 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$1,662	$1,242	$937	$594	$532	$482	$409	$286	-
F-G	$1,622	$941	$663	$513	$475	$438	$383	$462	-
H-I	-	$1,176	$1,405	$447	$433	$563	$465	-	$168
J-K	-	-	$1,113	-	$483	$621	$846	-	-
L-M	-	-	-	$416	$411	-	-	-	-
N+	-	$2,379	$531	$466	$414	$379	$308	$290	$192

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	18,630	$2,334 CAD	90%
D-E	IF	34,909	$1,745 CAD	96%
D-E	SI1	1,131	$574 CAD	101%
D-E	SI2	86	$401 CAD	95%
D-E	VS1	85,288	$747 CAD	99%
D-E	VS2	15,418	$677 CAD	97%
D-E	VVS1	61,600	$1,316 CAD	87%
D-E	VVS2	131,183	$834 CAD	105%
F-G	FL	116	$2,279 CAD	69%
F-G	IF	1,430	$1,321 CAD	94%
F-G	SI1	1,127	$539 CAD	97%
F-G	SI2	71	$650 CAD	106%
F-G	VS1	35,714	$667 CAD	95%
F-G	VS2	8,678	$615 CAD	98%
F-G	VVS1	4,527	$932 CAD	107%
F-G	VVS2	35,867	$721 CAD	98%
H-I	I	11	$236 CAD	82%
H-I	IF	103	$1,651 CAD	65%
H-I	SI1	235	$654 CAD	114%
H-I	VS1	3,029	$609 CAD	113%
H-I	VS2	1,257	$791 CAD	123%
H-I	VVS1	227	$1,973 CAD	74%
H-I	VVS2	1,350	$628 CAD	121%
J-K	SI1	22	$1,188 CAD	123%
J-K	VS1	53	$678 CAD	79%
J-K	VS2	84	$873 CAD	99%
J-K	VVS1	12	$1,563 CAD	35%
L-M	VS1	18	$578 CAD	69%
L-M	VVS2	11	$584 CAD	56%
N+	I	18	$270 CAD	115%
N+	IF	114	$3,342 CAD	57%
N+	SI1	2,403	$433 CAD	122%
N+	SI2	319	$407 CAD	122%
N+	VS1	35,004	$582 CAD	110%
N+	VS2	16,356	$533 CAD	114%
N+	VVS1	733	$746 CAD	104%
N+	VVS2	17,027	$655 CAD	102%
N+	other	1,553	$2,818 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