How much does a 0.75 to 0.99ct I VS1 natural princess diamond cost?

As of October 2026, 0.75 to 0.99ct I VS1 natural princess diamonds typically cost €864 EUR to €2,339 EUR, with a median price of €1,270 EUR. There are currently 334 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS1 princess diamond?

About 37% of these diamonds are available at multiple retailers, with an average price spread of 63%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I VS1 Natural Princess

Quick answer

As of October 2026, there are 334 natural princess diamonds with I colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run €864 EUR to €2,339 EUR, with a median of €1,270 EUR. At least 63 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 63%. Half of all listings fall between €1,288 EUR and €2,316 EUR per carat. The same specification in lab grown form lists at a median of about €427 EUR per carat. Over the last 30 days the median price moved -2.8% and the number of listings moved +6.4%.

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: October 2026

Available

334

Lowest Price

€592 EUR

Highest Price

€4,752 EUR

Average Price

€1,446 EUR