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

As of November 2026, 5.00ct+ natural oval diamonds range from $324 SGD/ct to $186,480 SGD/ct, with an average of $27,965 SGD/ct.

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

As of November 2026, the lowest listed price is $324 SGD per carat and the highest is $186,480 SGD 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 $167,792 SGD in total, or $27,965 SGD per carat, and most listings sit between $324 SGD and $186,480 SGD 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 $24,779 SGD per carat across 669 listings. The same shape in lab grown form runs about $923 SGD 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	$81,845 SGD	19%
D-E	I	22	$8,217 SGD	130%
D-E	IF	130	$61,028 SGD	49%
D-E	SI1	391	$35,078 SGD	25%
D-E	SI2	161	$22,012 SGD	25%
D-E	VS1	466	$50,185 SGD	33%
D-E	VS2	480	$46,195 SGD	37%
D-E	VVS1	119	$51,771 SGD	38%
D-E	VVS2	217	$53,339 SGD	33%
F-G	I	41	$16,087 SGD	151%
F-G	IF	46	$50,540 SGD	27%
F-G	SI1	537	$31,509 SGD	35%
F-G	SI2	216	$23,421 SGD	32%
F-G	VS1	769	$55,977 SGD	24%
F-G	VS2	739	$51,544 SGD	25%
F-G	VVS1	61	$45,370 SGD	29%
F-G	VVS2	283	$41,157 SGD	43%
H-I	I	49	$5,822 SGD	79%
H-I	IF	56	$27,954 SGD	72%
H-I	SI1	669	$24,779 SGD	34%
H-I	SI2	735	$16,659 SGD	58%
H-I	VS1	555	$31,145 SGD	41%
H-I	VS2	482	$30,488 SGD	39%
H-I	VVS1	137	$33,109 SGD	51%
H-I	VVS2	216	$28,378 SGD	45%
J-K	SI1	759	$14,459 SGD	64%
J-K	SI2	517	$13,532 SGD	41%
J-K	VS1	221	$15,711 SGD	39%
J-K	VS2	352	$17,307 SGD	42%
J-K	VVS1	31	$18,395 SGD	43%
J-K	VVS2	32	$19,407 SGD	92%
L-M	SI1	45	$7,843 SGD	35%
L-M	VS2	30	$10,710 SGD	15%
N+	I	191	$4,753 SGD	99%
N+	IF	14	$44,368 SGD	208%
N+	SI1	382	$15,429 SGD	39%
N+	SI2	148	$10,242 SGD	50%
N+	VS1	250	$21,695 SGD	123%
N+	VS2	278	$20,105 SGD	55%
N+	VVS1	60	$15,676 SGD	123%
N+	VVS2	254	$10,863 SGD	163%
N+	other	20	$347 SGD	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