How much does a 0.75 to 0.99ct G SI2 natural emerald diamond cost?

As of October 2026, 0.75 to 0.99ct G SI2 natural emerald diamonds typically cost £568 GBP to £1,723 GBP, with a median price of £964 GBP. There are currently 102 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 emerald diamond?

About 26% of these diamonds are available at multiple retailers, with an average price spread of 68%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct G SI2 Natural Emerald

Quick answer

As of October 2026, there are 102 natural emerald diamonds with G colour and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £568 GBP to £1,723 GBP, with a median of £964 GBP. At least 52 retailers stock this exact specification, and 26% of the stones appear at more than one of them, with an average price spread of 68%. Half of all listings fall between £873 GBP and £1,669 GBP per carat. The same specification in lab grown form lists at a median of about £415 GBP per carat. Over the last 30 days the median price moved -1.2% and the number of listings moved +7.6%.

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

102

Lowest Price

£413 GBP

Highest Price

£4,035 GBP

Average Price

£1,076 GBP