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

As of October 2026, 3.00 to 4.99ct lab grown oval diamonds range from €120 EUR/ct to €10,586 EUR/ct, with an average of €709 EUR/ct.

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

As of October 2026, the lowest listed price is €120 EUR per carat and the highest is €10,586 EUR per carat. The spread reflects differences in color, clarity, cut and retailer pricing.

How many 3.00 to 4.99ct lab grown oval diamonds are available?

There are 977,165 active lab grown oval 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 oval diamond?

Approximately 47% of these diamonds are available at multiple retailers, with an average price spread of 93% between the cheapest and most expensive listing of the same stone.

Lab Grown Oval Diamonds, 3.00 to 4.99ct

Quick answer

As of October 2026, there are 977,165 listings of lab grown oval diamonds between 3.00 to 4.99ct from at least 64 retailers. A typical stone in this range costs about €2,693 EUR in total, or €709 EUR per carat, and most listings sit between €120 EUR and €10,586 EUR per carat. About 47% of these stones are listed by more than one retailer, and the same stone is priced 93% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is H to I VS1 at €356 EUR per carat across 10,967 listings. The same shape in natural form runs about €12,443 EUR per carat, roughly 17.6 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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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 977,165 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$1,238	$1,204	$960	$566	$474	$476	$379	$349	-
F-G	$1,419	$911	$599	$413	$408	$443	$406	$478	-
H-I	-	$765	$949	$500	$397	$463	$495	$389	-
J-K	-	-	-	$848	$560	$3,795	$1,907	$3,141	-
L-M	-	-	-	$583	$637	-	-	-	-
N+	$1,056	$2,361	$731	$457	$437	$407	$342	$365	$236

Price by Color & Clarity

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

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	42,865	€1,108 EUR	96%
D-E	IF	40,856	€1,078 EUR	98%
D-E	SI1	4,301	€339 EUR	101%
D-E	SI2	243	€313 EUR	97%
D-E	VS1	173,294	€425 EUR	105%
D-E	VS2	40,755	€426 EUR	107%
D-E	VVS1	87,527	€859 EUR	90%
D-E	VVS2	222,553	€507 EUR	105%
F-G	FL	325	€1,270 EUR	110%
F-G	IF	2,251	€816 EUR	109%
F-G	SI1	3,936	€364 EUR	90%
F-G	SI2	125	€428 EUR	63%
F-G	VS1	107,025	€365 EUR	106%
F-G	VS2	27,891	€397 EUR	95%
F-G	VVS1	10,923	€536 EUR	107%
F-G	VVS2	117,240	€369 EUR	114%
H-I	IF	30	€685 EUR	98%
H-I	SI1	236	€443 EUR	69%
H-I	SI2	32	€348 EUR	86%
H-I	VS1	10,967	€356 EUR	97%
H-I	VS2	2,205	€414 EUR	82%
H-I	VVS1	371	€849 EUR	113%
H-I	VVS2	5,105	€448 EUR	106%
J-K	SI1	99	€1,707 EUR	42%
J-K	SI2	25	€2,812 EUR	17%
J-K	VS1	81	€502 EUR	94%
J-K	VS2	20	€3,397 EUR	165%
J-K	VVS2	22	€759 EUR	73%
L-M	VS1	116	€571 EUR	65%
L-M	VVS2	62	€522 EUR	69%
N+	FL	20	€946 EUR	31%
N+	I	41	€212 EUR	155%
N+	IF	194	€2,113 EUR	32%
N+	SI1	3,035	€306 EUR	119%
N+	SI2	419	€327 EUR	135%
N+	VS1	34,576	€391 EUR	109%
N+	VS2	14,638	€364 EUR	115%
N+	VVS1	1,166	€654 EUR	105%
N+	VVS2	19,291	€409 EUR	105%
N+	other	2,304	€1,808 EUR	19%

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