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

As of October 2026, 5.00ct+ natural cushion diamonds range from $1,862 SGD/ct to $117,586 SGD/ct, with an average of $23,302 SGD/ct.

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

As of October 2026, the lowest listed price is $1,862 SGD per carat and the highest is $117,586 SGD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 5.00ct+ natural cushion diamonds are available?

There are 6,431 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 53% between the cheapest and most expensive listing of the same stone.

Natural Cushion Diamonds, 5.00ct+

Quick answer

As of October 2026, there are 6,431 listings of natural cushion diamonds between 5.00ct+ from at least 52 retailers. A typical stone in this range costs about $139,810 SGD in total, or $23,302 SGD per carat, and most listings sit between $1,862 SGD and $117,586 SGD per carat. About 36% of these stones are listed by more than one retailer, and the same stone is priced 53% 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 $21,096 SGD per carat across 195 listings. The same shape in lab grown form runs about $1,165 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. 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 6,431 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$39K	$42K	$39K	$34K	$30K	$28K	$22K	$17K	-
F-G	-	-	$34K	$26K	$24K	$24K	$19K	$15K	-
H-I	-	-	$18K	$23K	$19K	$21K	$16K	$13K	-
J-K	-	-	-	$16K	$12K	$13K	$12K	$8,865	-
L-M	-	-	-	-	$8,150	$6,296	$6,156	-	-
N+	$11K	$21K	$18K	$17K	$15K	$16K	$11K	$9,813	$8,016

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	13	$50,441 SGD	7%
D-E	IF	15	$54,338 SGD	66%
D-E	SI1	155	$28,285 SGD	40%
D-E	SI2	62	$21,499 SGD	35%
D-E	VS1	198	$38,014 SGD	58%
D-E	VS2	232	$35,481 SGD	31%
D-E	VVS1	46	$49,906 SGD	44%
D-E	VVS2	80	$43,552 SGD	29%
F-G	SI1	233	$24,598 SGD	33%
F-G	SI2	115	$19,757 SGD	33%
F-G	VS1	422	$31,175 SGD	55%
F-G	VS2	354	$30,367 SGD	38%
F-G	VVS1	96	$43,592 SGD	22%
F-G	VVS2	102	$33,215 SGD	41%
H-I	SI1	195	$21,096 SGD	44%
H-I	SI2	150	$16,848 SGD	29%
H-I	VS1	254	$24,770 SGD	49%
H-I	VS2	421	$27,059 SGD	37%
H-I	VVS1	31	$23,693 SGD	36%
H-I	VVS2	148	$30,070 SGD	34%
J-K	SI1	228	$15,565 SGD	40%
J-K	SI2	110	$11,366 SGD	31%
J-K	VS1	102	$15,255 SGD	45%
J-K	VS2	153	$16,247 SGD	28%
J-K	VVS2	60	$20,358 SGD	49%
L-M	SI1	38	$7,892 SGD	27%
L-M	VS1	16	$10,450 SGD	27%
L-M	VS2	30	$8,073 SGD	54%
N+	FL	13	$14,361 SGD	25%
N+	I	92	$10,277 SGD	78%
N+	IF	68	$26,431 SGD	61%
N+	SI1	257	$14,073 SGD	79%
N+	SI2	206	$12,582 SGD	66%
N+	VS1	623	$19,528 SGD	83%
N+	VS2	705	$20,202 SGD	74%
N+	VVS1	122	$22,540 SGD	78%
N+	VVS2	275	$22,262 SGD	138%
N+	other	11	$8,770 SGD	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