How much does a 5.00ct+ natural radiant diamond cost?

As of November 2026, 5.00ct+ natural radiant diamonds range from HK$19,029 HKD/ct to HK$826,157 HKD/ct, with an average of HK$136,733 HKD/ct.

What is the price range for 5.00ct+ natural radiant diamonds?

As of November 2026, the lowest listed price is HK$19,029 HKD per carat and the highest is HK$826,157 HKD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 5.00ct+ natural radiant diamonds are available?

There are 3,183 active natural radiant 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+ natural radiant diamond?

Approximately 37% of these diamonds are available at multiple retailers, with an average price spread of 72% between the cheapest and most expensive listing of the same stone.

Natural Radiant Diamonds, 5.00ct+

Quick answer

As of November 2026, there are 3,183 listings of natural radiant diamonds between 5.00ct+ from at least 40 retailers. A typical stone in this range costs about HK$820,398 HKD in total, or HK$136,733 HKD per carat, and most listings sit between HK$19,029 HKD and HK$826,157 HKD per carat. About 37% of these stones are listed by more than one retailer, and the same stone is priced 72% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is H to I VS2 at HK$123,756 HKD per carat across 36 listings. The same shape in lab grown form runs about HK$5,678 HKD per carat, roughly 96% less.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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 3,183 diamonds in Explorer

Price Distribution

LowHigh

Colour	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	-	-	$26K	$26K	-	-	-	-
F-G	-	-	$28K	$25K	-	-	-	-
H-I	-	-	$19K	$21K	$16K	-	$14K	-
N+	$23K	$18K	$20K	$16K	$17K	$13K	$9,051	$3,039

Price by Colour & Clarity

Average price per carat for 5.00ct+ natural radiant diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	VS1	39	HK$203,446 HKD	42%
D-E	VVS2	34	HK$206,739 HKD	13%
F-G	VS1	138	HK$193,448 HKD	19%
F-G	VVS2	42	HK$216,172 HKD	20%
H-I	SI2	15	HK$108,645 HKD	30%
H-I	VS1	100	HK$162,271 HKD	40%
H-I	VS2	36	HK$123,756 HKD	36%
H-I	VVS2	21	HK$148,911 HKD	20%
N+	I	37	HK$23,846 HKD	439%
N+	IF	129	HK$177,085 HKD	61%
N+	SI1	146	HK$101,797 HKD	51%
N+	SI2	181	HK$71,013 HKD	101%
N+	VS1	698	HK$127,230 HKD	74%
N+	VS2	873	HK$136,999 HKD	65%
N+	VVS1	333	HK$143,951 HKD	57%
N+	VVS2	342	HK$153,084 HKD	97%
N+	other	19	HK$72,041 HKD	68%

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