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

As of September 2026, 2.00 to 2.99ct E SI1 natural radiant diamonds typically cost €11,889 EUR to €27,357 EUR, with a median price of €17,487 EUR. There are currently 267 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct E SI1 Natural Radiant

Quick answer

As of September 2026, there are 267 natural radiant diamonds with E colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €11,889 EUR to €27,357 EUR, with a median of €17,487 EUR. At least 53 retailers stock this exact specification. Half of all listings fall between €7,327 EUR and €9,609 EUR per carat. The same specification in lab grown form lists at a median of about €333 EUR 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. Radiant natural stones in the index: 2,765 USD per carat, +6.0% 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

267

Lowest Price

€9,067 EUR

Highest Price

€46,715 EUR

Average Price

€18,870 EUR