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 $119 AUD/ct to $6,784 AUD/ct, with an average of $1,012 AUD/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 $119 AUD per carat and the highest is $6,784 AUD 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 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 $3,845 AUD in total, or $1,012 AUD per carat, and most listings sit between $119 AUD and $6,784 AUD 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 $623 AUD per carat across 8,678 listings. The same shape in natural form runs about $17,865 AUD 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

Colour	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 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	18,630	$2,363 AUD	90%
D-E	IF	34,909	$1,766 AUD	96%
D-E	SI1	1,131	$581 AUD	101%
D-E	SI2	86	$406 AUD	95%
D-E	VS1	85,288	$756 AUD	99%
D-E	VS2	15,418	$686 AUD	97%
D-E	VVS1	61,600	$1,332 AUD	87%
D-E	VVS2	131,183	$844 AUD	105%
F-G	FL	116	$2,307 AUD	69%
F-G	IF	1,430	$1,337 AUD	94%
F-G	SI1	1,127	$545 AUD	97%
F-G	SI2	71	$658 AUD	106%
F-G	VS1	35,714	$675 AUD	95%
F-G	VS2	8,678	$623 AUD	98%
F-G	VVS1	4,527	$943 AUD	107%
F-G	VVS2	35,867	$730 AUD	98%
H-I	I	11	$239 AUD	82%
H-I	IF	103	$1,671 AUD	65%
H-I	SI1	235	$662 AUD	114%
H-I	VS1	3,029	$616 AUD	113%
H-I	VS2	1,257	$801 AUD	123%
H-I	VVS1	227	$1,998 AUD	74%
H-I	VVS2	1,350	$636 AUD	121%
J-K	SI1	22	$1,203 AUD	123%
J-K	VS1	53	$686 AUD	79%
J-K	VS2	84	$884 AUD	99%
J-K	VVS1	12	$1,582 AUD	35%
L-M	VS1	18	$585 AUD	69%
L-M	VVS2	11	$591 AUD	56%
N+	I	18	$273 AUD	115%
N+	IF	114	$3,383 AUD	57%
N+	SI1	2,403	$438 AUD	122%
N+	SI2	319	$412 AUD	122%
N+	VS1	35,004	$589 AUD	110%
N+	VS2	16,356	$539 AUD	114%
N+	VVS1	733	$755 AUD	104%
N+	VVS2	17,027	$663 AUD	102%
N+	other	1,553	$2,852 AUD	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