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 HK$1,518 HKD/ct to HK$305,515 HKD/ct, with an average of HK$111,870 HKD/ct.

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

As of October 2026, the lowest listed price is HK$1,518 HKD per carat and the highest is HK$305,515 HKD 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 7,014 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 40% of these diamonds are available at multiple retailers, with an average price spread of 46% 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 7,014 listings of natural marquise diamonds between 3.00 to 4.99ct from at least 53 retailers. A typical stone in this range costs about HK$425,105 HKD in total, or HK$111,870 HKD per carat, and most listings sit between HK$1,518 HKD and HK$305,515 HKD per carat. About 40% of these stones are listed by more than one retailer, and the same stone is priced 46% 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 HK$89,722 HKD per carat across 450 listings. The same shape in lab grown form runs about HK$6,573 HKD 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. 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 7,014 diamonds in Explorer

Price Distribution

LowHigh

Colour	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$28K	$22K	$27K	$25K	$26K	$20K	$12K	-
F-G	$22K	$22K	$21K	$23K	$21K	$20K	$15K	$1,829
H-I	$16K	$15K	$14K	$15K	$17K	$11K	$8,167	-
J-K	-	$12K	$12K	$12K	$9,890	$9,008	$7,035	-
L-M	-	-	-	$6,438	$6,165	$4,824	$4,208	-
N+	-	-	$1,555	$6,439	$548	-	$4,716	$3,305

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	48	HK$218,259 HKD	25%
D-E	SI1	572	HK$156,153 HKD	15%
D-E	SI2	404	HK$90,970 HKD	28%
D-E	VS1	274	HK$198,195 HKD	21%
D-E	VS2	459	HK$202,523 HKD	22%
D-E	VVS1	83	HK$176,082 HKD	26%
D-E	VVS2	38	HK$212,456 HKD	29%
F-G	I	33	HK$14,346 HKD	114%
F-G	IF	45	HK$170,811 HKD	20%
F-G	SI1	444	HK$153,501 HKD	19%
F-G	SI2	720	HK$116,479 HKD	32%
F-G	VS1	189	HK$177,635 HKD	29%
F-G	VS2	279	HK$167,520 HKD	25%
F-G	VVS1	78	HK$170,942 HKD	21%
F-G	VVS2	49	HK$166,047 HKD	17%
H-I	IF	24	HK$124,968 HKD	18%
H-I	SI1	450	HK$89,722 HKD	31%
H-I	SI2	646	HK$64,073 HKD	40%
H-I	VS1	170	HK$115,633 HKD	35%
H-I	VS2	377	HK$132,468 HKD	40%
H-I	VVS1	188	HK$113,880 HKD	25%
H-I	VVS2	150	HK$106,537 HKD	32%
J-K	SI1	232	HK$70,671 HKD	25%
J-K	SI2	438	HK$55,198 HKD	44%
J-K	VS1	77	HK$90,526 HKD	21%
J-K	VS2	92	HK$77,597 HKD	32%
J-K	VVS1	44	HK$94,189 HKD	22%
J-K	VVS2	42	HK$90,353 HKD	31%
L-M	SI1	26	HK$37,847 HKD	22%
L-M	SI2	20	HK$33,013 HKD	29%
L-M	VS1	19	HK$50,514 HKD	23%
L-M	VS2	36	HK$48,371 HKD	22%
N+	I	41	HK$25,931 HKD	85%
N+	SI2	13	HK$37,004 HKD	18%
N+	VS1	42	HK$50,517 HKD	35%
N+	VS2	28	HK$4,297 HKD	884%
N+	VVS2	144	HK$12,196 HKD	58%

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