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

As of November 2026, 3.00 to 4.99ct lab grown radiant diamonds range from €70 EUR/ct to €3,813 EUR/ct, with an average of €614 EUR/ct.

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

As of November 2026, the lowest listed price is €70 EUR per carat and the highest is €3,813 EUR 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 531,918 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 96% between the cheapest and most expensive listing of the same stone.

Lab Grown Radiant Diamonds, 3.00 to 4.99ct

Quick answer

As of November 2026, there are 531,918 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 €2,333 EUR in total, or €614 EUR per carat, and most listings sit between €70 EUR and €3,813 EUR per carat. About 42% of these stones are listed by more than one retailer, and the same stone is priced 96% 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 €388 EUR per carat across 8,836 listings. The same shape in natural form runs about €11,613 EUR per carat, roughly 18.9 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. Radiant lab grown stones in the index: 489 USD per carat, -0.7% 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

Browse 531,918 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$1,598	$1,233	$935	$582	$528	$480	$408	$263	-
F-G	$1,612	$930	$657	$513	$480	$437	$375	$462	-
H-I	-	$1,099	$1,335	$440	$416	$561	$453	-	$134
J-K	-	-	-	-	$474	$661	$1,350	-	-
L-M	-	-	-	$460	$410	-	-	-	-
N+	-	$2,133	$545	$458	$404	$366	$295	$281	$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	18,695	€1,418 EUR	87%
D-E	IF	34,928	€1,094 EUR	94%
D-E	SI1	1,171	€362 EUR	100%
D-E	SI2	93	€233 EUR	105%
D-E	VS1	86,999	€469 EUR	100%
D-E	VS2	15,638	€426 EUR	99%
D-E	VVS1	62,370	€830 EUR	89%
D-E	VVS2	136,436	€516 EUR	108%
F-G	FL	122	€1,431 EUR	69%
F-G	IF	1,375	€826 EUR	94%
F-G	SI1	1,164	€333 EUR	98%
F-G	SI2	70	€410 EUR	104%
F-G	VS1	36,561	€426 EUR	96%
F-G	VS2	8,836	€388 EUR	99%
F-G	VVS1	4,619	€583 EUR	110%
F-G	VVS2	36,688	€456 EUR	100%
H-I	I	10	€119 EUR	75%
H-I	IF	61	€975 EUR	62%
H-I	SI1	220	€402 EUR	110%
H-I	VS1	3,027	€369 EUR	113%
H-I	VS2	1,221	€498 EUR	110%
H-I	VVS1	237	€1,185 EUR	81%
H-I	VVS2	1,380	€391 EUR	123%
J-K	SI1	16	€1,198 EUR	78%
J-K	VS1	66	€421 EUR	82%
J-K	VS2	73	€587 EUR	100%
L-M	VS1	18	€364 EUR	70%
L-M	VVS2	14	€408 EUR	58%
N+	I	18	€170 EUR	116%
N+	IF	114	€1,894 EUR	52%
N+	SI1	2,600	€262 EUR	123%
N+	SI2	346	€249 EUR	121%
N+	VS1	38,010	€359 EUR	112%
N+	VS2	17,580	€325 EUR	117%
N+	VVS1	824	€484 EUR	102%
N+	VVS2	18,160	€406 EUR	102%
N+	other	2,158	€1,572 EUR	14%

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