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

As of September 2026, 3.00 to 4.99ct lab grown oval diamonds range from $260 AUD/ct to $29,363 AUD/ct, with an average of $2,622 AUD/ct.

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

As of September 2026, the lowest listed price is $260 AUD per carat and the highest is $29,363 AUD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

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

There are 595,147 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 0% of these diamonds are available at multiple retailers, with an average price spread of 113% between the cheapest and most expensive listing of the same stone.

Lab Grown Oval Diamonds, 3.00 to 4.99ct

Quick answer

As of September 2026, there are 595,147 lab grown oval diamonds between 3.00 to 4.99ct listed by at least 56 retailers. A typical stone in this range costs about $9,963 AUD in total, or $2,622 AUD per carat, and most listings sit between $260 AUD and $29,363 AUD per carat. About 0% of these stones are listed by more than one retailer, and the same stone is priced 113% 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 $490 AUD per carat across 7,383 listings. The same shape in natural form runs about $18,264 AUD per carat, roughly 7.0 times more.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval lab grown stones in the index: 487 USD per carat, -11.2% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Browse 595,147 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$1,894	$1,525	$1,028	$534	$455	$406	$362	$524	-
F-G	$1,728	$1,208	$644	$399	$378	$389	$344	$5,912	-
H-I	-	$1,942	$927	$326	$349	$849	$430	$14K	-
J-K	-	-	$5,839	$5,724	$1,606	$5,909	$2,881	$4,501	$4,371
L-M	-	-	-	$642	$607	-	-	-	-
N+	-	$2,381	$809	$559	$510	$482	$418	$526	-

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	31,609	$2,658 AUD	134%
D-E	IF	27,620	$2,140 AUD	154%
D-E	SI1	2,308	$508 AUD	127%
D-E	SI2	103	$735 AUD	106%
D-E	VS1	104,806	$639 AUD	102%
D-E	VS2	29,649	$570 AUD	106%
D-E	VVS1	53,648	$1,442 AUD	133%
D-E	VVS2	126,966	$749 AUD	119%
D-E	other	10	$1,283 AUD	99%
F-G	FL	191	$2,425 AUD	109%
F-G	IF	1,252	$1,696 AUD	134%
F-G	SI1	2,193	$483 AUD	122%
F-G	SI2	61	$8,298 AUD	157%
F-G	VS1	79,460	$531 AUD	99%
F-G	VS2	17,173	$547 AUD	115%
F-G	VVS1	6,821	$903 AUD	122%
F-G	VVS2	73,560	$560 AUD	99%
H-I	IF	41	$2,725 AUD	313%
H-I	SI1	231	$603 AUD	144%
H-I	SI2	49	$19,835 AUD	42%
H-I	VS1	7,383	$490 AUD	139%
H-I	VS2	2,523	$1,191 AUD	163%
H-I	VVS1	312	$1,301 AUD	149%
H-I	VVS2	4,425	$457 AUD	150%
J-K	I	60	$6,134 AUD	10%
J-K	SI1	103	$4,042 AUD	74%
J-K	SI2	32	$6,316 AUD	42%
J-K	VS1	64	$2,254 AUD	229%
J-K	VS2	27	$8,293 AUD	148%
J-K	VVS1	10	$8,195 AUD	22%
J-K	VVS2	29	$8,033 AUD	178%
L-M	VS1	22	$852 AUD	41%
L-M	VVS2	10	$900 AUD	19%
N+	IF	97	$3,341 AUD	9%
N+	SI1	852	$587 AUD	85%
N+	SI2	125	$738 AUD	117%
N+	VS1	9,371	$716 AUD	91%
N+	VS2	4,099	$676 AUD	91%
N+	VVS1	400	$1,135 AUD	141%
N+	VVS2	5,367	$785 AUD	88%
N+	other	2,085	$2,989 AUD	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