How much does a 3.00 to 4.99ct lab grown cushion diamond cost?

As of November 2026, 3.00 to 4.99ct lab grown cushion diamonds range from $223 CAD/ct to $14,129 CAD/ct, with an average of $1,133 CAD/ct.

What is the price range for 3.00 to 4.99ct lab grown cushion diamonds?

As of November 2026, the lowest listed price is $223 CAD per carat and the highest is $14,129 CAD per carat. The spread reflects differences in color, clarity, cut and retailer pricing.

How many 3.00 to 4.99ct lab grown cushion diamonds are available?

There are 451,202 active lab grown cushion 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 lab grown cushion diamond?

Approximately 41% of these diamonds are available at multiple retailers, with an average price spread of 94% between the cheapest and most expensive listing of the same stone.

Lab Grown Cushion Diamonds, 3.00 to 4.99ct

Quick answer

As of November 2026, there are 451,202 listings of lab grown cushion diamonds between 3.00 to 4.99ct from at least 64 retailers. A typical stone in this range costs about $4,305 CAD in total, or $1,133 CAD per carat, and most listings sit between $223 CAD and $14,129 CAD per carat. About 41% of these stones are listed by more than one retailer, and the same stone is priced 94% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is F to G VS2 at $729 CAD per carat across 9,009 listings. The same shape in natural form runs about $17,208 CAD per carat, roughly 15.2 times more.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Cushion lab grown stones in the index: 555 USD per carat, +4.5% 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: November 2026

Browse 451,202 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2
D-E	$2,083	$1,595	$981	$655	$578	$542	$396	$409
F-G	$1,752	$1,288	$780	$550	$525	$522	$405	$345
H-I	-	-	$1,420	$581	$557	$633	$470	$674
J-K	-	-	-	$462	$580	$648	$2,326	-
L-M	-	-	-	$592	$597	$531	-	-
N+	-	$2,072	$755	$586	$578	$522	$434	$434

Price by Color & Clarity

Average price per carat for 3.00 to 4.99ct lab grown cushion diamonds by color and clarity grade.

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	20,314	$2,911 CAD	95%
D-E	IF	24,108	$2,229 CAD	85%
D-E	SI1	1,134	$554 CAD	115%
D-E	SI2	76	$572 CAD	224%
D-E	VS1	80,518	$808 CAD	96%
D-E	VS2	15,958	$758 CAD	93%
D-E	VVS1	47,394	$1,371 CAD	87%
D-E	VVS2	97,926	$915 CAD	96%
F-G	FL	138	$2,448 CAD	100%
F-G	IF	535	$1,800 CAD	77%
F-G	SI1	1,375	$566 CAD	100%
F-G	SI2	85	$483 CAD	112%
F-G	VS1	42,953	$734 CAD	92%
F-G	VS2	9,009	$729 CAD	91%
F-G	VVS1	5,013	$1,090 CAD	95%
F-G	VVS2	42,577	$768 CAD	97%
H-I	SI1	329	$657 CAD	124%
H-I	SI2	44	$941 CAD	124%
H-I	VS1	5,018	$778 CAD	96%
H-I	VS2	1,378	$884 CAD	95%
H-I	VVS1	222	$1,985 CAD	52%
H-I	VVS2	2,505	$812 CAD	105%
J-K	SI1	23	$3,250 CAD	239%
J-K	VS1	219	$810 CAD	76%
J-K	VS2	73	$906 CAD	61%
J-K	VVS2	179	$645 CAD	108%
L-M	VS1	298	$835 CAD	34%
L-M	VS2	13	$742 CAD	27%
L-M	VVS2	100	$827 CAD	31%
N+	IF	66	$2,896 CAD	52%
N+	SI1	1,263	$606 CAD	108%
N+	SI2	181	$606 CAD	97%
N+	VS1	25,271	$808 CAD	96%
N+	VS2	8,744	$730 CAD	101%
N+	VVS1	758	$1,055 CAD	91%
N+	VVS2	13,259	$819 CAD	94%
N+	other	2,146	$2,757 CAD	16%

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