How much does a 2.00 to 2.99ct E FL lab grown marquise diamond cost?

As of September 2026, 2.00 to 2.99ct E FL lab grown marquise diamonds typically cost £1,143 GBP to £6,327 GBP, with a median price of £3,478 GBP. There are currently 151 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct E FL Lab Grown Marquise

Quick answer

As of September 2026, there are 151 lab grown marquise diamonds with E colour and FL clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £1,143 GBP to £6,327 GBP, with a median of £3,478 GBP. At least 30 retailers stock this exact specification. Half of all listings fall between £973 GBP and £2,310 GBP per carat. The same specification in natural form lists at a median of about £15,697 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. Marquise lab grown stones in the index: 500 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

151

Lowest Price

£745 GBP

Highest Price

£50,962 GBP

Average Price

£3,645 GBP

Market Intelligence

Retailers Selling

Price Spread

90.0%

Price Range

Price per carat distribution across retailers

$2,005/ct

10th Percentile

$915

Median

$2,005

90th Percentile

$3,973

Score Distribution

151 diamonds scored across 4 quality tiers

Excellent

32 (21.2%)

Very Good

42 (27.8%)

Good

35 (23.2%)

Average

42 (27.8%)

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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