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 $245 CAD/ct to $51,313 CAD/ct, with an average of $19,800 CAD/ct.

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

As of October 2026, the lowest listed price is $245 CAD per carat and the highest is $51,313 CAD per carat. The spread reflects differences in color, clarity, cut and retailer pricing.

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

There are 6,346 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 41% of these diamonds are available at multiple retailers, with an average price spread of 39% 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 6,346 listings of natural marquise diamonds between 3.00 to 4.99ct from at least 53 retailers. A typical stone in this range costs about $75,238 CAD in total, or $19,800 CAD per carat, and most listings sit between $245 CAD and $51,313 CAD per carat. About 41% of these stones are listed by more than one retailer, and the same stone is priced 39% 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 $17,719 CAD per carat across 113 listings. The same shape in lab grown form runs about $1,196 CAD 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 6,346 diamonds in Explorer

Price Distribution

LowHigh

Color	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$25K	$23K	$27K	$25K	$26K	$20K	$14K	-
F-G	$21K	$22K	$26K	$23K	$23K	$17K	$11K	$1,931
H-I	-	$15K	$13K	$14K	$17K	$13K	$7,953	-
J-K	-	$11K	$10K	$11K	$9,807	$10K	$6,230	-
L-M	-	-	-	$6,518	$6,109	$5,058	$4,084	-
N+	-	-	$1,491	$6,052	$201	-	$4,678	$3,305

Price by Color & Clarity

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

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	IF	20	$34,382 CAD	17%
D-E	SI1	504	$28,291 CAD	20%
D-E	SI2	436	$20,222 CAD	45%
D-E	VS1	239	$35,337 CAD	22%
D-E	VS2	448	$36,111 CAD	22%
D-E	VVS1	68	$32,046 CAD	22%
D-E	VVS2	37	$38,250 CAD	30%
F-G	I	31	$2,702 CAD	109%
F-G	IF	25	$29,904 CAD	30%
F-G	SI1	408	$23,116 CAD	25%
F-G	SI2	735	$15,239 CAD	56%
F-G	VS1	169	$31,691 CAD	32%
F-G	VS2	274	$32,044 CAD	22%
F-G	VVS1	61	$31,279 CAD	23%
F-G	VVS2	25	$36,844 CAD	17%
H-I	SI1	369	$18,569 CAD	40%
H-I	SI2	655	$11,132 CAD	42%
H-I	VS1	150	$19,769 CAD	50%
H-I	VS2	346	$23,322 CAD	47%
H-I	VVS1	134	$20,980 CAD	24%
H-I	VVS2	113	$17,719 CAD	26%
J-K	SI1	161	$14,097 CAD	41%
J-K	SI2	360	$8,720 CAD	47%
J-K	VS1	43	$15,713 CAD	19%
J-K	VS2	84	$13,726 CAD	32%
J-K	VVS1	30	$15,967 CAD	14%
J-K	VVS2	16	$14,485 CAD	53%
L-M	SI1	31	$7,079 CAD	25%
L-M	SI2	31	$5,716 CAD	38%
L-M	VS1	21	$9,122 CAD	31%
L-M	VS2	37	$8,551 CAD	23%
N+	I	41	$4,626 CAD	85%
N+	SI2	13	$6,548 CAD	18%
N+	VS1	41	$8,470 CAD	38%
N+	VS2	32	$282 CAD	185%
N+	VVS2	158	$2,086 CAD	64%

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