How much does a 2.00 to 2.99ct E SI1 natural round diamond cost?

As of November 2026, 2.00 to 2.99ct E SI1 natural round diamonds typically cost €13,707 EUR to €38,122 EUR, with a median price of €22,349 EUR. There are currently 461 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI1 round diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 33%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct E SI1 Natural Round

Quick answer

As of November 2026, there are 461 natural round diamonds with E color and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €13,707 EUR to €38,122 EUR, with a median of €22,349 EUR. At least 61 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between €7,882 EUR and €10,963 EUR per carat. The same specification in lab grown form lists at a median of about €355 EUR per carat. Over the last 30 days the median price moved -0.2% and the number of listings moved +9.0%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

461

Lowest Price

€6,959 EUR

Highest Price

€66,754 EUR

Average Price

€24,169 EUR