How much does a 2.00 to 2.99ct E IF lab grown cushion diamond cost?

As of September 2026, 2.00 to 2.99ct E IF lab grown cushion diamonds typically cost £706 GBP to £4,792 GBP, with a median price of £1,546 GBP. There are currently 485 diamonds matching this specification available across retailers.

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2.00 to 2.99ct E IF Lab Grown Cushion

Quick answer

As of September 2026, there are 485 lab grown cushion diamonds with E colour and IF clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £706 GBP to £4,792 GBP, with a median of £1,546 GBP. At least 43 retailers stock this exact specification. Half of all listings fall between £556 GBP and £1,684 GBP per carat. The same specification in natural form lists at a median of about £11,516 GBP 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

485

Lowest Price

£296 GBP

Highest Price

£17,439 GBP

Average Price

£2,301 GBP

Market Intelligence

Retailers Selling

Price Spread

136.1%

Price Range

Price per carat distribution across retailers

$1,120/ct

10th Percentile

$586

Median

$1,120

90th Percentile

$3,132

Score Distribution

485 diamonds scored across 4 quality tiers

Excellent

157 (32.4%)

Very Good

137 (28.2%)

Good

82 (16.9%)

Average

109 (22.5%)

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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