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

As of October 2026, 2.00 to 2.99ct E FL lab grown marquise diamonds typically cost £1,314 GBP to £4,816 GBP, with a median price of £2,302 GBP. There are currently 66 diamonds matching this specification available across retailers.

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

About 48% of these diamonds are available at multiple retailers, with an average price spread of 88%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct E FL Lab Grown Marquise

Quick answer

As of October 2026, there are 66 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 £1,314 GBP to £4,816 GBP, with a median of £2,302 GBP. At least 43 retailers stock this exact specification, and 48% of the stones appear at more than one of them, with an average price spread of 88%. Half of all listings fall between £778 GBP and £1,794 GBP per carat. The same specification in natural form lists at a median of about £14,042 GBP per carat. Over the last 30 days the median price moved -8.1% and the number of listings moved +18.1%.

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. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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

Available

Lowest Price

£684 GBP

Highest Price

£13,735 GBP

Average Price

£2,574 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

47.8%

Price Spread

88.2%

30-Day Price Trend

-8.1%

30-Day Supply Change

+18.1%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$1,543/ct

10th Percentile

$783

Median

$1,543

90th Percentile

$3,249

Score Distribution

171 diamonds scored across 4 quality tiers

Excellent

69 (40.4%)

Very Good

27 (15.8%)

Good

56 (32.7%)

Average

19 (11.1%)

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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 31%

E IFIF inclusions are not visible without magnification

Save 17%

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