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

As of September 2026, 5.00ct+ lab grown oval diamonds range from $225 SGD/ct to $53,017 SGD/ct, with an average of $3,345 SGD/ct.

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

As of September 2026, the lowest listed price is $225 SGD per carat and the highest is $53,017 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 241,594 active lab grown oval listings between 5.00ct+ across 100+ retailers in the Carat Hunter index, refreshed daily.

Lab Grown Oval Diamonds, 5.00ct+

Quick answer

As of September 2026, there are 241,594 lab grown oval diamonds between 5.00ct+ listed by at least 51 retailers. A typical stone in this range costs about $20,073 SGD in total, or $3,345 SGD per carat, and most listings sit between $225 SGD and $53,017 SGD per carat. The best value grade combination with real depth of stock is F to G VVS2 at $495 SGD per carat across 61,220 listings. The same shape in natural form runs about $30,004 SGD per carat, roughly 9.0 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 241,594 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$4,742	$3,789	$1,423	$481	$534	$537	$347	-	-
F-G	-	$2,341	$693	$389	$427	$469	$315	$8,551	-
H-I	-	$1,876	$1,171	$452	$456	$1,169	$475	$15K	-
J-K	-	-	-	$12K	$1,114	$828	$18K	$11K	$21K
N+	-	$2,496	$848	$639	$569	$535	$373	$389	-

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	2,252	$6,035 SGD	92%
D-E	IF	1,664	$4,822 SGD	84%
D-E	SI1	478	$442 SGD	145%
D-E	VS1	33,842	$679 SGD	107%
D-E	VS2	6,275	$684 SGD	125%
D-E	VVS1	5,827	$1,811 SGD	110%
D-E	VVS2	66,308	$612 SGD	105%
F-G	IF	465	$2,979 SGD	83%
F-G	SI1	739	$401 SGD	144%
F-G	SI2	39	$10,882 SGD	142%
F-G	VS1	33,103	$543 SGD	116%
F-G	VS2	7,768	$597 SGD	111%
F-G	VVS1	2,362	$881 SGD	120%
F-G	VVS2	61,220	$495 SGD	112%
H-I	IF	48	$2,388 SGD	67%
H-I	SI1	48	$605 SGD	183%
H-I	SI2	15	$19,563 SGD	73%
H-I	VS1	2,793	$581 SGD	140%
H-I	VS2	2,029	$1,488 SGD	90%
H-I	VVS1	137	$1,490 SGD	104%
H-I	VVS2	1,248	$575 SGD	141%
J-K	I	10	$26,171 SGD	52%
J-K	SI1	12	$22,991 SGD	75%
J-K	SI2	10	$13,395 SGD	N/A
J-K	VS1	41	$1,418 SGD	272%
J-K	VS2	31	$1,054 SGD	79%
J-K	VVS2	26	$15,446 SGD	842%
N+	IF	23	$3,176 SGD	69%
N+	SI1	346	$475 SGD	87%
N+	SI2	35	$494 SGD	91%
N+	VS1	5,869	$724 SGD	107%
N+	VS2	2,715	$680 SGD	96%
N+	VVS1	51	$1,079 SGD	220%
N+	VVS2	2,571	$813 SGD	98%
N+	other	1,194	$2,841 SGD	16%

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