How much does a 0.75 to 0.99ct E SI1 natural oval diamond cost?

As of November 2026, 0.75 to 0.99ct E SI1 natural oval diamonds typically cost €1,173 EUR to €3,583 EUR, with a median price of €1,846 EUR. There are currently 285 diamonds matching this specification available across retailers.

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

About 29% of these diamonds are available at multiple retailers, with an average price spread of 52%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct E SI1 Natural Oval

Quick answer

As of November 2026, there are 285 natural oval diamonds with E color and SI1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run €1,173 EUR to €3,583 EUR, with a median of €1,846 EUR. At least 64 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 52%. Half of all listings fall between €1,753 EUR and €2,855 EUR per carat. The same specification in lab grown form lists at a median of about €431 EUR per carat. Over the last 30 days the median price moved +0.0% and the number of listings moved -1.2%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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: November 2026

Available

285

Lowest Price

€798 EUR

Highest Price

€5,865 EUR

Average Price

€2,111 EUR