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

As of November 2026, 5.00ct+ natural oval diamonds range from $361 AUD/ct to $207,660 AUD/ct, with an average of $31,142 AUD/ct.

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

As of November 2026, the lowest listed price is $361 AUD per carat and the highest is $207,660 AUD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 5.00ct+ natural oval diamonds are available?

There are 11,244 active natural oval 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 oval diamond?

Approximately 37% of these diamonds are available at multiple retailers, with an average price spread of 91% between the cheapest and most expensive listing of the same stone.

Natural Oval Diamonds, 5.00ct+

Quick answer

As of November 2026, there are 11,244 listings of natural oval diamonds between 5.00ct+ from at least 52 retailers. A typical stone in this range costs about $186,850 AUD in total, or $31,142 AUD per carat, and most listings sit between $361 AUD and $207,660 AUD per carat. About 37% of these stones are listed by more than one retailer, and the same stone is priced 91% 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 $27,593 AUD per carat across 669 listings. The same shape in lab grown form runs about $1,028 AUD per carat, roughly 97% 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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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 11,244 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$64K	$48K	$40K	$42K	$39K	$36K	$27K	$17K	$6,428
F-G	-	$40K	$35K	$32K	$44K	$40K	$25K	$18K	$13K
H-I	-	$22K	$26K	$22K	$24K	$24K	$19K	$13K	$4,554
J-K	-	-	$14K	$15K	$12K	$14K	$11K	$11K	-
L-M	-	-	-	-	-	$8,378	$6,135	-	-
N+	-	$35K	$12K	$8,498	$17K	$16K	$12K	$8,012	$3,718

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	83	$91,141 AUD	19%
D-E	I	22	$9,150 AUD	130%
D-E	IF	130	$67,959 AUD	49%
D-E	SI1	391	$39,062 AUD	25%
D-E	SI2	161	$24,512 AUD	25%
D-E	VS1	466	$55,885 AUD	33%
D-E	VS2	480	$51,442 AUD	37%
D-E	VVS1	119	$57,651 AUD	38%
D-E	VVS2	217	$59,397 AUD	33%
F-G	I	41	$17,915 AUD	151%
F-G	IF	46	$56,280 AUD	27%
F-G	SI1	537	$35,087 AUD	35%
F-G	SI2	216	$26,081 AUD	32%
F-G	VS1	769	$62,334 AUD	24%
F-G	VS2	739	$57,398 AUD	25%
F-G	VVS1	61	$50,523 AUD	29%
F-G	VVS2	283	$45,831 AUD	43%
H-I	I	49	$6,483 AUD	79%
H-I	IF	56	$31,129 AUD	72%
H-I	SI1	669	$27,593 AUD	34%
H-I	SI2	735	$18,551 AUD	58%
H-I	VS1	555	$34,683 AUD	41%
H-I	VS2	482	$33,951 AUD	39%
H-I	VVS1	137	$36,870 AUD	51%
H-I	VVS2	216	$31,601 AUD	45%
J-K	SI1	759	$16,101 AUD	64%
J-K	SI2	517	$15,069 AUD	41%
J-K	VS1	221	$17,495 AUD	39%
J-K	VS2	352	$19,272 AUD	42%
J-K	VVS1	31	$20,484 AUD	43%
J-K	VVS2	32	$21,611 AUD	92%
L-M	SI1	45	$8,734 AUD	35%
L-M	VS2	30	$11,927 AUD	15%
N+	I	191	$5,293 AUD	99%
N+	IF	14	$49,407 AUD	208%
N+	SI1	382	$17,181 AUD	39%
N+	SI2	148	$11,406 AUD	50%
N+	VS1	250	$24,159 AUD	123%
N+	VS2	278	$22,389 AUD	55%
N+	VVS1	60	$17,456 AUD	123%
N+	VVS2	254	$12,097 AUD	163%
N+	other	20	$386 AUD	1594%

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