How much does a 5.00ct+ E IF natural radiant diamond cost?

As of September 2026, 5.00ct+ E IF natural radiant diamonds typically cost £125,550 GBP to £264,758 GBP, with a median price of £170,554 GBP. There are currently 4 diamonds matching this specification available across retailers.

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

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

5.00ct+ E IF Natural Radiant

Quick answer

As of September 2026, there are 4 natural radiant diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £125,550 GBP to £264,758 GBP, with a median of £170,554 GBP. At least 11 retailers stock this exact specification. Half of all listings fall between £22,210 GBP and £30,834 GBP per carat. The same specification in lab grown form lists at a median of about £2,503 GBP per carat.

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

5.02ct Radiant E IF, IGI, score 71 of 100, from £123,663 GBP

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. Radiant natural stones in the index: 2,765 USD per carat, +6.0% 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

£123,663 GBP

Highest Price

£287,731 GBP

Average Price

£188,126 GBP