How much does a 2.00 to 2.99ct E SI1 natural heart diamond cost?

As of October 2026, 2.00 to 2.99ct E SI1 natural heart diamonds typically cost £8,081 GBP to £31,471 GBP, with a median price of £14,032 GBP. There are currently 58 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI1 heart diamond?

About 36% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct E SI1 Natural Heart

Quick answer

As of October 2026, there are 58 natural heart diamonds with E colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £8,081 GBP to £31,471 GBP, with a median of £14,032 GBP. At least 56 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between £4,522 GBP and £6,871 GBP per carat. The same specification in lab grown form lists at a median of about £258 GBP per carat. Over the last 30 days the median price moved +0.3% and the number of listings moved +14.6%.

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. Heart natural stones in the index: 2,374 USD per carat, +9.8% 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

£4,500 GBP

Highest Price

£62,087 GBP

Average Price

£17,270 GBP