How much does a 5.00ct+ I IF natural oval diamond cost?

As of September 2026, 5.00ct+ I IF natural oval diamonds typically cost €77,831 EUR to €283,851 EUR, with a median price of €118,458 EUR. There are currently 25 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

5.00ct+ I IF Natural Oval

Quick answer

As of September 2026, there are 25 natural oval diamonds with I colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €77,831 EUR to €283,851 EUR, with a median of €118,458 EUR. At least 12 retailers stock this exact specification. Half of all listings fall between €33,379 EUR and €42,145 EUR per carat. The same specification in lab grown form lists at a median of about €1,651 EUR per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval natural stones in the index: 2,380 USD per carat, -9.6% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

€76,077 EUR

Highest Price

€577,421 EUR

Average Price

€160,838 EUR