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 $1,712 NZD/ct to $67,407 NZD/ct, with an average of $22,383 NZD/ct.

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

As of October 2026, the lowest listed price is $1,712 NZD per carat and the highest is $67,407 NZD 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 $85,057 NZD in total, or $22,383 NZD per carat, and most listings sit between $1,712 NZD and $67,407 NZD 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 $21,935 NZD per carat across 983 listings. The same shape in lab grown form runs about $1,268 NZD 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	$29,327 NZD	23%
D-E	SI2	408	$21,294 NZD	39%
D-E	VS1	414	$42,492 NZD	30%
D-E	VS2	667	$33,774 NZD	37%
D-E	VVS1	31	$37,037 NZD	21%
D-E	VVS2	156	$38,986 NZD	34%
F-G	SI1	1,083	$28,549 NZD	21%
F-G	SI2	629	$19,401 NZD	33%
F-G	VS1	575	$34,754 NZD	24%
F-G	VS2	819	$36,185 NZD	27%
F-G	VVS1	132	$28,449 NZD	22%
F-G	VVS2	213	$34,550 NZD	20%
H-I	SI1	983	$21,935 NZD	15%
H-I	SI2	631	$15,032 NZD	26%
H-I	VS1	649	$27,484 NZD	31%
H-I	VS2	942	$23,709 NZD	37%
H-I	VVS1	103	$22,504 NZD	28%
H-I	VVS2	386	$25,010 NZD	33%
J-K	SI1	368	$12,880 NZD	32%
J-K	SI2	240	$11,433 NZD	48%
J-K	VS1	368	$16,461 NZD	28%
J-K	VS2	386	$14,563 NZD	40%
J-K	VVS1	37	$16,686 NZD	26%
J-K	VVS2	198	$14,642 NZD	29%
L-M	SI1	70	$8,559 NZD	26%
L-M	VS1	75	$9,411 NZD	37%
L-M	VS2	54	$8,586 NZD	32%
N+	I	113	$9,530 NZD	95%
N+	IF	137	$20,395 NZD	62%
N+	SI1	463	$13,467 NZD	83%
N+	SI2	239	$10,745 NZD	82%
N+	VS1	1,201	$18,827 NZD	69%
N+	VS2	1,101	$16,632 NZD	72%
N+	VVS1	289	$18,529 NZD	53%
N+	VVS2	544	$17,835 NZD	70%
N+	other	22	$6,135 NZD	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