How much does a 2.00 to 2.99ct I SI2 natural oval diamond cost?

As of November 2026, 2.00 to 2.99ct I SI2 natural oval diamonds typically cost €5,378 EUR to €18,000 EUR, with a median price of €10,496 EUR. There are currently 617 diamonds matching this specification available across retailers.

Where can I find the best price on a I SI2 oval diamond?

About 40% of these diamonds are available at multiple retailers, with an average price spread of 49%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I SI2 Natural Oval

Quick answer

As of November 2026, there are 617 natural oval diamonds with I colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €5,378 EUR to €18,000 EUR, with a median of €10,496 EUR. At least 56 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 49%. Half of all listings fall between €3,838 EUR and €6,291 EUR per carat. The same specification in lab grown form lists at a median of about €1,188 EUR per carat. Over the last 30 days the median price moved -1.4% and the number of listings moved +10.9%.

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

617

Lowest Price

€2,530 EUR

Highest Price

€34,689 EUR

Average Price

€11,411 EUR