How much does a 3.00 to 4.99ct E IF natural cushion diamond cost?

As of October 2026, 3.00 to 4.99ct E IF natural cushion diamonds typically cost £42,572 GBP to £111,447 GBP, with a median price of £58,522 GBP. There are currently 3 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E IF Natural Cushion

Quick answer

As of October 2026, there are 3 natural cushion diamonds with E colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £42,572 GBP to £111,447 GBP, with a median of £58,522 GBP. At least 39 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between £16,143 GBP and £26,555 GBP per carat. The same specification in lab grown form lists at a median of about £1,226 GBP per carat. Over the last 30 days the median price moved +1.3% and the number of listings moved +6.2%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

£42,278 GBP

Highest Price

£113,681 GBP

Average Price

£69,856 GBP