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

As of October 2026, 2.00 to 2.99ct E SI1 natural radiant diamonds typically cost €12,833 EUR to €30,455 EUR, with a median price of €17,959 EUR. There are currently 90 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 30%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct E SI1 Natural Radiant

Quick answer

As of October 2026, there are 90 natural radiant diamonds with E colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €12,833 EUR to €30,455 EUR, with a median of €17,959 EUR. At least 60 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 30%. Half of all listings fall between €7,558 EUR and €10,150 EUR per carat. The same specification in lab grown form lists at a median of about €344 EUR per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved +17.6%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

€8,414 EUR

Highest Price

€52,623 EUR

Average Price

€20,247 EUR