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

As of September 2026, 3.00 to 4.99ct E FL lab grown cushion diamonds typically cost $4,632 CAD to $21,837 CAD, with a median price of $12,968 CAD. There are currently 219 diamonds matching this specification available across retailers.

Where can I find the best price on a E FL cushion diamond?

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3.00 to 4.99ct E FL Lab Grown Cushion

Quick answer

As of September 2026, there are 219 lab grown cushion diamonds with E color and FL clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $4,632 CAD to $21,837 CAD, with a median of $12,968 CAD. At least 30 retailers stock this exact specification. Half of all listings fall between $1,962 CAD and $6,054 CAD per carat. The same specification in natural form lists at a median of about $44,613 CAD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Cushion lab grown stones in the index: 466 USD per carat, -14.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

219

Lowest Price

$3,185 CAD

Highest Price

$96,715 CAD

Average Price

$13,262 CAD

Market Intelligence

Retailers Selling

Price Spread

98.9%

Price Range

Price per carat distribution across retailers

$2,987/ct

10th Percentile

$1,062

Median

$2,987

90th Percentile

$6,318

Score Distribution

219 diamonds scored across 4 quality tiers

Excellent

59 (26.9%)

Very Good

69 (31.5%)

Good

49 (22.4%)

Average

42 (19.2%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F FLF colour is visually identical to E to the naked eye

Save 6%

E IFIF inclusions are not visible without magnification

Save 50%

Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1