How much does a 2.00 to 2.99ct I SI1 natural oval diamond cost?

As of October 2026, 2.00 to 2.99ct I SI1 natural oval diamonds typically cost €8,455 EUR to €22,420 EUR, with a median price of €13,336 EUR. There are currently 337 diamonds matching this specification available across retailers.

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

About 34% 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 I SI1 Natural Oval

Quick answer

As of October 2026, there are 337 natural oval diamonds with I colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €8,455 EUR to €22,420 EUR, with a median of €13,336 EUR. At least 61 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between €5,754 EUR and €8,012 EUR per carat. The same specification in lab grown form lists at a median of about €1,249 EUR per carat. Over the last 30 days the median price moved -0.8% and the number of listings moved +6.8%.

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: October 2026

Available

337

Lowest Price

€4,557 EUR

Highest Price

€45,082 EUR

Average Price

€14,895 EUR