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

As of November 2026, 2.00 to 2.99ct I I1 natural marquise diamonds typically cost €9,992 EUR to €44,244 EUR, with a median price of €24,679 EUR. There are currently 13 diamonds matching this specification available across retailers.

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

About 13% of these diamonds are available at multiple retailers, with an average price spread of 103%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I I1 Natural Marquise

Quick answer

As of November 2026, there are 13 natural marquise diamonds with I color and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €9,992 EUR to €44,244 EUR, with a median of €24,679 EUR. At least 23 retailers stock this exact specification, and 13% of the stones appear at more than one of them, with an average price spread of 103%. Half of all listings fall between €3,057 EUR and €9,047 EUR per carat. Over the last 30 days the median price moved +0.3% and the number of listings moved +0.6%.

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 natural stones in the index: 2,268 USD per carat, +10.8% 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: November 2026

Available

Lowest Price

€2,920 EUR

Highest Price

€55,077 EUR

Average Price

€25,481 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

13.4%

Price Spread

103.3%

30-Day Price Trend

+0.3%

30-Day Supply Change

+0.6%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$6,480/ct

10th Percentile

$2,403

Median

$6,480

90th Percentile

$13,841

Score Distribution

105 diamonds scored across 4 quality tiers

Excellent

4 (3.8%)

Very Good

6 (5.7%)

Good

3 (2.9%)

Average

92 (87.6%)

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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