How much does a 3.00 to 4.99ct natural radiant diamond cost?

As of October 2026, 3.00 to 4.99ct natural radiant diamonds range from £723 GBP/ct to £28,475 GBP/ct, with an average of £9,456 GBP/ct.

What is the price range for 3.00 to 4.99ct natural radiant diamonds?

As of October 2026, the lowest listed price is £723 GBP per carat and the highest is £28,475 GBP per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 3.00 to 4.99ct natural radiant diamonds are available?

There are 15,563 active natural radiant 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 natural radiant diamond?

Approximately 39% of these diamonds are available at multiple retailers, with an average price spread of 44% between the cheapest and most expensive listing of the same stone.

Natural Radiant Diamonds, 3.00 to 4.99ct

Quick answer

As of October 2026, there are 15,563 listings of natural radiant diamonds between 3.00 to 4.99ct from at least 58 retailers. A typical stone in this range costs about £35,932 GBP in total, or £9,456 GBP per carat, and most listings sit between £723 GBP and £28,475 GBP per carat. About 39% of these stones are listed by more than one retailer, and the same stone is priced 44% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is H to I SI1 at £9,266 GBP per carat across 983 listings. The same shape in lab grown form runs about £536 GBP per carat, roughly 94% 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: October 2026

Browse 15,563 diamonds in Explorer

Price Distribution

LowHigh

Colour	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	-	$21K	$22K	$24K	$19K	$16K	$12K	-
F-G	-	$16K	$19K	$20K	$20K	$16K	$11K	-
H-I	-	$13K	$14K	$15K	$13K	$12K	$8,438	-
J-K	-	$9,366	$8,219	$9,240	$8,174	$7,230	$6,418	-
L-M	-	-	-	$5,282	$4,820	$4,805	-	-
N+	$11K	$10K	$10K	$11K	$9,336	$7,559	$6,032	$5,349

Price by Colour & Clarity

Average price per carat for 3.00 to 4.99ct natural radiant diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	SI1	837	£12,389 GBP	23%
D-E	SI2	408	£8,996 GBP	39%
D-E	VS1	414	£17,951 GBP	30%
D-E	VS2	667	£14,268 GBP	37%
D-E	VVS1	31	£15,646 GBP	21%
D-E	VVS2	156	£16,469 GBP	34%
F-G	SI1	1,083	£12,060 GBP	21%
F-G	SI2	629	£8,196 GBP	33%
F-G	VS1	575	£14,682 GBP	24%
F-G	VS2	819	£15,286 GBP	27%
F-G	VVS1	132	£12,018 GBP	22%
F-G	VVS2	213	£14,595 GBP	20%
H-I	SI1	983	£9,266 GBP	15%
H-I	SI2	631	£6,350 GBP	26%
H-I	VS1	649	£11,610 GBP	31%
H-I	VS2	942	£10,016 GBP	37%
H-I	VVS1	103	£9,507 GBP	28%
H-I	VVS2	386	£10,565 GBP	33%
J-K	SI1	368	£5,441 GBP	32%
J-K	SI2	240	£4,830 GBP	48%
J-K	VS1	368	£6,954 GBP	28%
J-K	VS2	386	£6,152 GBP	40%
J-K	VVS1	37	£7,049 GBP	26%
J-K	VVS2	198	£6,186 GBP	29%
L-M	SI1	70	£3,616 GBP	26%
L-M	VS1	75	£3,975 GBP	37%
L-M	VS2	54	£3,627 GBP	32%
N+	I	113	£4,026 GBP	95%
N+	IF	137	£8,616 GBP	62%
N+	SI1	463	£5,689 GBP	83%
N+	SI2	239	£4,539 GBP	82%
N+	VS1	1,201	£7,953 GBP	69%
N+	VS2	1,101	£7,026 GBP	72%
N+	VVS1	289	£7,827 GBP	53%
N+	VVS2	544	£7,534 GBP	70%
N+	other	22	£2,592 GBP	222%

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