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

As of September 2026, 1.00 to 1.49ct E IF natural round diamonds typically cost £4,307 GBP to £10,779 GBP, with a median price of £6,599 GBP. There are currently 1,505 diamonds matching this specification available across retailers.

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

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

1.00 to 1.49ct E IF Natural Round

Quick answer

As of September 2026, there are 1,505 natural round diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £4,307 GBP to £10,779 GBP, with a median of £6,599 GBP. At least 66 retailers stock this exact specification. Half of all listings fall between £5,635 GBP and £8,453 GBP per carat. The same specification in lab grown form lists at a median of about £443 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

1,505

Lowest Price

£209 GBP

Highest Price

£26,225 GBP

Average Price

£7,188 GBP