How much does a 5.00ct+ lab grown oval diamond cost?

As of November 2026, 5.00ct+ lab grown oval diamonds range from $152 SGD/ct to $8,343 SGD/ct, with an average of $916 SGD/ct.

What is the price range for 5.00ct+ lab grown oval diamonds?

As of November 2026, the lowest listed price is $152 SGD per carat and the highest is $8,343 SGD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 5.00ct+ lab grown oval diamonds are available?

There are 517,681 active lab grown oval listings between 5.00ct+ across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 5.00ct+ lab grown oval diamond?

Approximately 51% of these diamonds are available at multiple retailers, with an average price spread of 87% between the cheapest and most expensive listing of the same stone.

Lab Grown Oval Diamonds, 5.00ct+

Quick answer

As of November 2026, there are 517,681 listings of lab grown oval diamonds between 5.00ct+ from at least 62 retailers. A typical stone in this range costs about $5,494 SGD in total, or $916 SGD per carat, and most listings sit between $152 SGD and $8,343 SGD per carat. About 51% of these stones are listed by more than one retailer, and the same stone is priced 87% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is F to G VVS2 at $435 SGD per carat across 116,169 listings. The same shape in natural form runs about $24,651 SGD per carat, roughly 26.9 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. Oval lab grown stones in the index: 479 USD per carat, +3.3% 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 517,681 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$3,068	$2,832	$959	$398	$411	$443	$335	-	$133
F-G	-	$1,859	$544	$340	$355	$412	$299	$300	-
H-I	-	$1,585	$1,379	$382	$365	$480	$300	-	-
J-K	-	-	-	-	$889	-	-	-	-
L-M	-	-	-	$507	-	-	-	-	-
N+	-	$2,328	$509	$423	$421	$379	$302	$262	-

Price by Colour & Clarity

Average price per carat for 5.00ct+ lab grown oval diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	3,379	$3,930 SGD	81%
D-E	I	12	$170 SGD	58%
D-E	IF	2,939	$3,628 SGD	94%
D-E	SI1	1,076	$429 SGD	128%
D-E	VS1	80,023	$526 SGD	100%
D-E	VS2	14,944	$568 SGD	104%
D-E	VVS1	8,929	$1,228 SGD	68%
D-E	VVS2	139,753	$510 SGD	96%
F-G	IF	803	$2,381 SGD	62%
F-G	SI1	2,014	$383 SGD	118%
F-G	SI2	124	$385 SGD	103%
F-G	VS1	72,566	$454 SGD	102%
F-G	VS2	15,731	$527 SGD	97%
F-G	VVS1	3,854	$697 SGD	86%
F-G	VVS2	116,169	$435 SGD	99%
H-I	IF	84	$2,031 SGD	51%
H-I	SI1	105	$384 SGD	81%
H-I	VS1	4,585	$467 SGD	93%
H-I	VS2	1,558	$615 SGD	80%
H-I	VVS1	211	$1,767 SGD	62%
H-I	VVS2	2,173	$490 SGD	121%
J-K	VS1	39	$1,139 SGD	51%
L-M	VVS2	11	$650 SGD	36%
N+	IF	61	$2,983 SGD	58%
N+	SI1	1,333	$387 SGD	86%
N+	SI2	152	$335 SGD	107%
N+	VS1	23,232	$540 SGD	98%
N+	VS2	10,407	$486 SGD	85%
N+	VVS1	187	$652 SGD	97%
N+	VVS2	9,468	$541 SGD	106%
N+	other	1,759	$2,505 SGD	15%

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