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

As of September 2026, 2.00 to 2.99ct I SI1 natural emerald diamonds typically cost £5,584 GBP to £16,213 GBP, with a median price of £8,816 GBP. There are currently 294 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

2.00 to 2.99ct I SI1 Natural Emerald

Quick answer

As of September 2026, there are 294 natural emerald diamonds with I colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £5,584 GBP to £16,213 GBP, with a median of £8,816 GBP. At least 53 retailers stock this exact specification. Half of all listings fall between £3,696 GBP and £5,699 GBP per carat. The same specification in lab grown form lists at a median of about £1,177 GBP per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Emerald natural stones in the index: 2,166 USD per carat, -6.6% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

294

Lowest Price

£3,802 GBP

Highest Price

£24,699 GBP

Average Price

£9,779 GBP