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 $1,367 AUD/ct to $53,800 AUD/ct, with an average of $17,865 AUD/ct.

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

As of October 2026, the lowest listed price is $1,367 AUD per carat and the highest is $53,800 AUD 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 $67,888 AUD in total, or $17,865 AUD per carat, and most listings sit between $1,367 AUD and $53,800 AUD 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 $17,507 AUD per carat across 983 listings. The same shape in lab grown form runs about $1,012 AUD 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	$23,407 AUD	23%
D-E	SI2	408	$16,996 AUD	39%
D-E	VS1	414	$33,915 AUD	30%
D-E	VS2	667	$26,957 AUD	37%
D-E	VVS1	31	$29,561 AUD	21%
D-E	VVS2	156	$31,117 AUD	34%
F-G	SI1	1,083	$22,787 AUD	21%
F-G	SI2	629	$15,485 AUD	33%
F-G	VS1	575	$27,739 AUD	24%
F-G	VS2	819	$28,881 AUD	27%
F-G	VVS1	132	$22,707 AUD	22%
F-G	VVS2	213	$27,576 AUD	20%
H-I	SI1	983	$17,507 AUD	15%
H-I	SI2	631	$11,997 AUD	26%
H-I	VS1	649	$21,936 AUD	31%
H-I	VS2	942	$18,923 AUD	37%
H-I	VVS1	103	$17,961 AUD	28%
H-I	VVS2	386	$19,961 AUD	33%
J-K	SI1	368	$10,280 AUD	32%
J-K	SI2	240	$9,125 AUD	48%
J-K	VS1	368	$13,138 AUD	28%
J-K	VS2	386	$11,623 AUD	40%
J-K	VVS1	37	$13,318 AUD	26%
J-K	VVS2	198	$11,687 AUD	29%
L-M	SI1	70	$6,832 AUD	26%
L-M	VS1	75	$7,511 AUD	37%
L-M	VS2	54	$6,853 AUD	32%
N+	I	113	$7,606 AUD	95%
N+	IF	137	$16,279 AUD	62%
N+	SI1	463	$10,749 AUD	83%
N+	SI2	239	$8,576 AUD	82%
N+	VS1	1,201	$15,027 AUD	69%
N+	VS2	1,101	$13,275 AUD	72%
N+	VVS1	289	$14,789 AUD	53%
N+	VVS2	544	$14,235 AUD	70%
N+	other	22	$4,897 AUD	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