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

As of November 2026, 2.00 to 2.99ct I SI2 natural princess diamonds typically cost €5,266 EUR to €18,164 EUR, with a median price of €9,916 EUR. There are currently 120 diamonds matching this specification available across retailers.

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

About 32% 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 Princess

Quick answer

As of November 2026, there are 120 natural princess diamonds with I color and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €5,266 EUR to €18,164 EUR, with a median of €9,916 EUR. At least 51 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 49%. Half of all listings fall between €3,348 EUR and €5,424 EUR per carat. The same specification in lab grown form lists at a median of about €1,243 EUR per carat. Over the last 30 days the median price moved -2.3% and the number of listings moved +9.4%.

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. Princess natural stones in the index: 2,158 USD per carat, +5.7% 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

120

Lowest Price

€3,005 EUR

Highest Price

€30,771 EUR

Average Price

€11,233 EUR