How much does a 3.00 to 4.99ct E SI2 natural oval diamond cost?

As of October 2026, 3.00 to 4.99ct E SI2 natural oval diamonds typically cost £20,660 GBP to £59,546 GBP, with a median price of £33,655 GBP. There are currently 100 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI2 oval diamond?

About 31% of these diamonds are available at multiple retailers, with an average price spread of 34%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E SI2 Natural Oval

Quick answer

As of October 2026, there are 100 natural oval diamonds with E colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £20,660 GBP to £59,546 GBP, with a median of £33,655 GBP. At least 50 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 34%. Half of all listings fall between £8,009 GBP and £11,326 GBP per carat. The same specification in lab grown form lists at a median of about £262 GBP per carat. Over the last 30 days the median price moved +0.8% and the number of listings moved +3.9%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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

100

Lowest Price

£8,382 GBP

Highest Price

£124,178 GBP

Average Price

£37,223 GBP