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

As of October 2026, 3.00 to 4.99ct natural marquise diamonds range from $223 SGD/ct to $51,764 SGD/ct, with an average of $19,866 SGD/ct.

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

As of October 2026, the lowest listed price is $223 SGD per carat and the highest is $51,764 SGD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

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

There are 8,645 active natural marquise 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 marquise diamond?

Approximately 42% of these diamonds are available at multiple retailers, with an average price spread of 37% between the cheapest and most expensive listing of the same stone.

Natural Marquise Diamonds, 3.00 to 4.99ct

Quick answer

As of October 2026, there are 8,645 listings of natural marquise diamonds between 3.00 to 4.99ct from at least 53 retailers. A typical stone in this range costs about $75,491 SGD in total, or $19,866 SGD per carat, and most listings sit between $223 SGD and $51,764 SGD per carat. About 42% of these stones are listed by more than one retailer, and the same stone is priced 37% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is H to I VVS2 at $17,378 SGD per carat across 151 listings. The same shape in lab grown form runs about $1,086 SGD per carat, roughly 95% 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. Marquise natural stones in the index: 2,268 USD per carat, +10.8% 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 8,645 diamonds in Explorer

Price Distribution

LowHigh

Colour	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$28K	$23K	$27K	$26K	$26K	$20K	$15K	-
F-G	$22K	$26K	$22K	$23K	$22K	$19K	$15K	$1,931
H-I	$16K	$19K	$14K	$15K	$17K	$15K	$11K	$12K
J-K	-	$12K	$12K	$14K	$9,807	$11K	$10K	-
L-M	-	-	-	$6,518	$6,165	$5,055	$4,200	-
N+	-	-	$1,525	$6,439	$201	-	$4,716	$3,100

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	IF	53	$35,733 SGD	22%
D-E	SI1	657	$25,833 SGD	20%
D-E	SI2	679	$19,061 SGD	38%
D-E	VS1	352	$33,114 SGD	24%
D-E	VS2	510	$32,870 SGD	23%
D-E	VVS1	91	$29,112 SGD	28%
D-E	VVS2	60	$34,945 SGD	24%
F-G	I	36	$2,468 SGD	139%
F-G	IF	50	$28,501 SGD	23%
F-G	SI1	487	$24,646 SGD	20%
F-G	SI2	840	$19,242 SGD	34%
F-G	VS1	243	$29,813 SGD	23%
F-G	VS2	362	$28,636 SGD	24%
F-G	VVS1	103	$32,662 SGD	20%
F-G	VVS2	55	$27,507 SGD	17%
H-I	I	15	$15,669 SGD	57%
H-I	IF	10	$20,768 SGD	36%
H-I	SI1	599	$19,079 SGD	50%
H-I	SI2	835	$13,599 SGD	64%
H-I	VS1	178	$19,175 SGD	36%
H-I	VS2	418	$21,778 SGD	35%
H-I	VVS1	236	$24,918 SGD	30%
H-I	VVS2	151	$17,378 SGD	33%
J-K	SI1	305	$13,493 SGD	33%
J-K	SI2	604	$13,057 SGD	51%
J-K	VS1	109	$18,178 SGD	16%
J-K	VS2	94	$12,538 SGD	32%
J-K	VVS1	74	$15,399 SGD	18%
J-K	VVS2	40	$15,823 SGD	28%
L-M	SI1	34	$6,462 SGD	20%
L-M	SI2	36	$5,370 SGD	34%
L-M	VS1	21	$8,332 SGD	31%
L-M	VS2	36	$7,882 SGD	21%
N+	I	40	$3,963 SGD	95%
N+	SI2	13	$6,029 SGD	18%
N+	VS1	41	$8,231 SGD	33%
N+	VS2	25	$258 SGD	185%
N+	VVS2	153	$1,949 SGD	63%

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