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 €108 EUR/ct to €3,955 EUR/ct, with an average of €644 EUR/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 €108 EUR per carat and the highest is €3,955 EUR 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 522,236 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 41% 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 522,236 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 €2,447 EUR in total, or €644 EUR per carat, and most listings sit between €108 EUR and €3,955 EUR per carat. About 41% 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 €386 EUR per carat across 8,769 listings. The same shape in natural form runs about €10,485 EUR per carat, roughly 16.3 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 522,236 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$1,657	$1,246	$929	$590	$528	$480	$408	$248	-
F-G	$1,605	$940	$652	$511	$471	$432	$378	$462	-
H-I	-	$1,171	$1,367	$439	$407	$540	$466	-	-
J-K	-	-	$1,221	-	$415	$637	$1,110	-	-
L-M	-	-	-	$439	$457	-	-	-	-
N+	-	$2,379	$536	$464	$409	$373	$306	$297	$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	18,851	€1,483 EUR	91%
D-E	IF	34,968	€1,115 EUR	98%
D-E	SI1	1,151	€366 EUR	98%
D-E	SI2	92	€222 EUR	95%
D-E	VS1	86,298	€473 EUR	99%
D-E	VS2	15,457	€429 EUR	97%
D-E	VVS1	62,186	€831 EUR	90%
D-E	VVS2	133,260	€528 EUR	106%
F-G	FL	122	€1,436 EUR	68%
F-G	IF	1,424	€841 EUR	94%
F-G	SI1	1,152	€338 EUR	98%
F-G	SI2	71	€414 EUR	106%
F-G	VS1	35,825	€421 EUR	95%
F-G	VS2	8,769	€386 EUR	99%
F-G	VVS1	4,578	€584 EUR	109%
F-G	VVS2	36,302	€458 EUR	98%
H-I	IF	85	€1,048 EUR	62%
H-I	SI1	221	€417 EUR	114%
H-I	VS1	3,054	€364 EUR	114%
H-I	VS2	1,201	€484 EUR	111%
H-I	VVS1	232	€1,223 EUR	78%
H-I	VVS2	1,379	€393 EUR	120%
J-K	SI1	19	€994 EUR	87%
J-K	VS1	59	€371 EUR	91%
J-K	VS2	79	€570 EUR	95%
J-K	VVS1	15	€1,093 EUR	53%
L-M	VS1	16	€409 EUR	68%
L-M	VVS2	12	€393 EUR	60%
N+	I	18	€172 EUR	115%
N+	IF	114	€2,130 EUR	57%
N+	SI1	2,456	€274 EUR	120%
N+	SI2	320	€266 EUR	116%
N+	VS1	36,002	€367 EUR	110%
N+	VS2	16,708	€334 EUR	115%
N+	VVS1	751	€480 EUR	104%
N+	VVS2	17,497	€415 EUR	102%
N+	other	1,492	€1,795 EUR	10%

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