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

As of October 2026, 5.00ct+ natural cushion diamonds range from HK$11,945 HKD/ct to HK$688,576 HKD/ct, with an average of HK$141,097 HKD/ct.

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

As of October 2026, the lowest listed price is HK$11,945 HKD per carat and the highest is HK$688,576 HKD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 5.00ct+ natural cushion diamonds are available?

There are 7,492 active natural cushion 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 cushion diamond?

Approximately 36% of these diamonds are available at multiple retailers, with an average price spread of 52% between the cheapest and most expensive listing of the same stone.

Natural Cushion Diamonds, 5.00ct+

Quick answer

As of October 2026, there are 7,492 listings of natural cushion diamonds between 5.00ct+ from at least 53 retailers. A typical stone in this range costs about HK$846,579 HKD in total, or HK$141,097 HKD per carat, and most listings sit between HK$11,945 HKD and HK$688,576 HKD per carat. About 36% of these stones are listed by more than one retailer, and the same stone is priced 52% 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$134,006 HKD per carat across 240 listings. The same shape in lab grown form runs about HK$7,345 HKD 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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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 7,492 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$39K	-	$39K	$34K	$29K	$27K	$22K	$17K	-
F-G	-	$32K	$33K	$26K	$26K	$24K	$20K	$16K	-
H-I	-	-	$17K	$23K	$19K	$22K	$17K	$14K	-
J-K	-	-	$14K	$15K	$13K	$13K	$12K	$9,878	-
L-M	-	-	-	-	$8,189	$8,137	$5,894	-	-
N+	$11K	$20K	$18K	$17K	$15K	$16K	$11K	$9,841	$8,025

Price by Colour & Clarity

Average price per carat for 5.00ct+ natural cushion diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	12	HK$308,070 HKD	6%
D-E	SI1	188	HK$175,358 HKD	37%
D-E	SI2	97	HK$134,363 HKD	32%
D-E	VS1	232	HK$227,601 HKD	60%
D-E	VS2	218	HK$213,857 HKD	31%
D-E	VVS1	50	HK$305,393 HKD	45%
D-E	VVS2	84	HK$266,513 HKD	34%
F-G	IF	21	HK$248,047 HKD	30%
F-G	SI1	310	HK$158,941 HKD	36%
F-G	SI2	146	HK$122,910 HKD	31%
F-G	VS1	483	HK$202,905 HKD	54%
F-G	VS2	371	HK$187,591 HKD	38%
F-G	VVS1	111	HK$262,302 HKD	32%
F-G	VVS2	108	HK$204,079 HKD	42%
H-I	SI1	240	HK$134,006 HKD	41%
H-I	SI2	188	HK$108,535 HKD	27%
H-I	VS1	271	HK$148,437 HKD	50%
H-I	VS2	525	HK$169,356 HKD	40%
H-I	VVS1	45	HK$133,907 HKD	44%
H-I	VVS2	176	HK$184,009 HKD	35%
J-K	SI1	355	HK$95,921 HKD	42%
J-K	SI2	245	HK$77,502 HKD	39%
J-K	VS1	189	HK$103,986 HKD	41%
J-K	VS2	246	HK$102,969 HKD	39%
J-K	VVS1	30	HK$107,147 HKD	14%
J-K	VVS2	88	HK$121,107 HKD	47%
L-M	SI1	29	HK$46,244 HKD	19%
L-M	VS1	17	HK$64,245 HKD	24%
L-M	VS2	44	HK$63,843 HKD	49%
N+	FL	13	HK$88,592 HKD	25%
N+	I	93	HK$62,962 HKD	78%
N+	IF	71	HK$159,341 HKD	59%
N+	SI1	255	HK$89,392 HKD	80%
N+	SI2	208	HK$77,212 HKD	65%
N+	VS1	626	HK$119,337 HKD	83%
N+	VS2	696	HK$123,213 HKD	72%
N+	VVS1	121	HK$137,567 HKD	74%
N+	VVS2	279	HK$136,041 HKD	136%
N+	other	11	HK$53,669 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