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

As of October 2026, 2.00 to 2.99ct E SI1 natural emerald diamonds typically cost £11,450 GBP to £44,367 GBP, with a median price of £20,075 GBP. There are currently 48 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 42%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct E SI1 Natural Emerald

Quick answer

As of October 2026, there are 48 natural emerald diamonds with E colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £11,450 GBP to £44,367 GBP, with a median of £20,075 GBP. At least 55 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 42%. Half of all listings fall between £5,649 GBP and £8,669 GBP per carat. The same specification in lab grown form lists at a median of about £267 GBP per carat. Over the last 30 days the median price moved -3.2% and the number of listings moved +9.6%.

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. Emerald natural stones in the index: 2,278 USD per carat, +6.2% 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

£7,132 GBP

Highest Price

£68,049 GBP

Average Price

£23,383 GBP