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

As of October 2026, 1.00 to 1.49ct E IF natural radiant diamonds typically cost £3,095 GBP to £6,864 GBP, with a median price of £4,175 GBP. There are currently 19 diamonds matching this specification available across retailers.

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

About 31% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E IF Natural Radiant

Quick answer

As of October 2026, there are 19 natural radiant diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £3,095 GBP to £6,864 GBP, with a median of £4,175 GBP. At least 52 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between £3,927 GBP and £6,166 GBP per carat. The same specification in lab grown form lists at a median of about £436 GBP per carat. Over the last 30 days the median price moved +1.3% and the number of listings moved +28.9%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

Lowest Price

£2,294 GBP

Highest Price

£10,609 GBP

Average Price

£4,609 GBP