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

As of September 2026, 5.00ct+ lab grown oval diamonds range from HK$1,409 HKD/ct to HK$326,832 HKD/ct, with an average of HK$20,664 HKD/ct.

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

As of September 2026, the lowest listed price is HK$1,409 HKD per carat and the highest is HK$326,832 HKD 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 233,696 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 233,696 lab grown oval diamonds between 5.00ct+ listed by at least 51 retailers. A typical stone in this range costs about HK$123,986 HKD in total, or HK$20,664 HKD per carat, and most listings sit between HK$1,409 HKD and HK$326,832 HKD per carat. The best value grade combination with real depth of stock is F to G VVS2 at HK$3,084 HKD per carat across 59,924 listings. The same shape in natural form runs about HK$182,977 HKD per carat, roughly 8.9 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 233,696 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$4,843	$3,871	$1,418	$486	$543	$543	$346	-	-
F-G	-	$2,341	$740	$393	$431	$472	$480	$8,538	-
H-I	-	$1,851	$961	$554	$533	$1,130	$480	$15K	-
J-K	-	-	-	$12K	$975	$828	$18K	$11K	$21K
N+	-	$2,496	$848	$641	$571	$537	$384	$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	2,276	HK$37,988 HKD	91%
D-E	IF	1,682	HK$30,362 HKD	84%
D-E	SI1	451	HK$2,711 HKD	133%
D-E	VS1	32,439	HK$4,263 HKD	108%
D-E	VS2	6,089	HK$4,256 HKD	126%
D-E	VVS1	5,785	HK$11,124 HKD	109%
D-E	VVS2	63,951	HK$3,813 HKD	105%
F-G	IF	466	HK$18,367 HKD	86%
F-G	SI1	673	HK$3,762 HKD	97%
F-G	SI2	34	HK$66,977 HKD	131%
F-G	VS1	32,003	HK$3,380 HKD	116%
F-G	VS2	7,303	HK$3,702 HKD	111%
F-G	VVS1	2,299	HK$5,805 HKD	113%
F-G	VVS2	59,924	HK$3,084 HKD	113%
H-I	IF	44	HK$14,517 HKD	55%
H-I	SI1	39	HK$3,767 HKD	133%
H-I	SI2	15	HK$120,600 HKD	73%
H-I	VS1	2,464	HK$4,183 HKD	113%
H-I	VS2	1,699	HK$8,865 HKD	114%
H-I	VVS1	116	HK$7,541 HKD	98%
H-I	VVS2	1,110	HK$4,347 HKD	122%
J-K	I	10	HK$161,334 HKD	52%
J-K	SI1	12	HK$141,733 HKD	75%
J-K	SI2	10	HK$82,577 HKD	N/A
J-K	VS1	32	HK$7,648 HKD	71%
J-K	VS2	27	HK$6,497 HKD	61%
J-K	VVS2	20	HK$94,684 HKD	920%
N+	IF	23	HK$19,581 HKD	69%
N+	SI1	343	HK$3,013 HKD	89%
N+	SI2	35	HK$3,048 HKD	92%
N+	VS1	5,820	HK$4,483 HKD	106%
N+	VS2	2,700	HK$4,216 HKD	96%
N+	VVS1	51	HK$6,650 HKD	220%
N+	VVS2	2,551	HK$5,027 HKD	98%
N+	other	1,200	HK$17,514 HKD	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