How much does a 1.00 to 1.49ct E IF natural radiant diamond cost?

As of September 2026, 1.00 to 1.49ct E IF natural radiant diamonds typically cost £2,894 GBP to £6,788 GBP, with a median price of £3,961 GBP. There are currently 64 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.

1.00 to 1.49ct E IF Natural Radiant

Quick answer

As of September 2026, there are 64 natural radiant diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £2,894 GBP to £6,788 GBP, with a median of £3,961 GBP. At least 47 retailers stock this exact specification. Half of all listings fall between £3,798 GBP and £5,521 GBP per carat. The same specification in lab grown form lists at a median of about £473 GBP 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. 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

£1,682 GBP

Highest Price

£9,980 GBP

Average Price

£4,324 GBP