How much does a 2.00 to 2.99ct E I1 natural marquise diamond cost?

As of September 2026, 2.00 to 2.99ct E I1 natural marquise diamonds typically cost £8,111 GBP to £39,263 GBP, with a median price of £11,941 GBP. There are currently 37 diamonds matching this specification available across retailers.

Where can I find the best price on a E I1 marquise diamond?

About 40% of these diamonds are available at multiple retailers, with an average price spread of 53%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct E I1 Natural Marquise

Quick answer

As of September 2026, there are 37 natural marquise diamonds with E colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £8,111 GBP to £39,263 GBP, with a median of £11,941 GBP. At least 19 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 53%. Half of all listings fall between £4,816 GBP and £7,912 GBP per carat. Over the last 30 days the median price moved -33.1% and the number of listings moved -42.2%.

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 natural stones in the index: 2,114 USD per carat, -8.8% 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

Lowest Price

£6,302 GBP

Highest Price

£78,660 GBP

Average Price

£17,445 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

40.0%

Price Spread

52.7%

30-Day Price Trend

-33.1%

30-Day Supply Change

-42.2%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$7,924/ct

10th Percentile

$5,547

Median

$7,924

90th Percentile

$15,103

Score Distribution

37 diamonds scored across 4 quality tiers

Excellent

3 (8.1%)

Very Good

16 (43.2%)

Good

4 (10.8%)

Average

14 (37.8%)

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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