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 $343 NZD/ct to $69,092 NZD/ct, with an average of $25,299 NZD/ct.

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

As of October 2026, the lowest listed price is $343 NZD per carat and the highest is $69,092 NZD 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 $96,137 NZD in total, or $25,299 NZD per carat, and most listings sit between $343 NZD and $69,092 NZD 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 $20,291 NZD per carat across 450 listings. The same shape in lab grown form runs about $1,487 NZD 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	$49,359 NZD	25%
D-E	SI1	572	$35,314 NZD	15%
D-E	SI2	404	$20,573 NZD	28%
D-E	VS1	274	$44,822 NZD	21%
D-E	VS2	459	$45,801 NZD	22%
D-E	VVS1	83	$39,821 NZD	26%
D-E	VVS2	38	$48,047 NZD	29%
F-G	I	33	$3,244 NZD	114%
F-G	IF	45	$38,629 NZD	20%
F-G	SI1	444	$34,714 NZD	19%
F-G	SI2	720	$26,342 NZD	32%
F-G	VS1	189	$40,172 NZD	29%
F-G	VS2	279	$37,885 NZD	25%
F-G	VVS1	78	$38,658 NZD	21%
F-G	VVS2	49	$37,551 NZD	17%
H-I	IF	24	$28,261 NZD	18%
H-I	SI1	450	$20,291 NZD	31%
H-I	SI2	646	$14,490 NZD	40%
H-I	VS1	170	$26,150 NZD	35%
H-I	VS2	377	$29,957 NZD	40%
H-I	VVS1	188	$25,754 NZD	25%
H-I	VVS2	150	$24,093 NZD	32%
J-K	SI1	232	$15,982 NZD	25%
J-K	SI2	438	$12,483 NZD	44%
J-K	VS1	77	$20,472 NZD	21%
J-K	VS2	92	$17,548 NZD	32%
J-K	VVS1	44	$21,301 NZD	22%
J-K	VVS2	42	$20,433 NZD	31%
L-M	SI1	26	$8,559 NZD	22%
L-M	SI2	20	$7,466 NZD	29%
L-M	VS1	19	$11,424 NZD	23%
L-M	VS2	36	$10,939 NZD	22%
N+	I	41	$5,864 NZD	85%
N+	SI2	13	$8,368 NZD	18%
N+	VS1	42	$11,424 NZD	35%
N+	VS2	28	$972 NZD	884%
N+	VVS2	144	$2,758 NZD	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