How much does a 5.00ct+ I IF natural emerald diamond cost?

As of September 2026, 5.00ct+ I IF natural emerald diamonds typically cost £48,994 GBP to £162,143 GBP, with a median price of £74,610 GBP. There are currently 20 diamonds matching this specification available across retailers.

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

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

5.00ct+ I IF Natural Emerald

Quick answer

As of September 2026, there are 20 natural emerald diamonds with I colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £48,994 GBP to £162,143 GBP, with a median of £74,610 GBP. At least 9 retailers stock this exact specification. Half of all listings fall between £41,302 GBP and £49,959 GBP per carat. The same specification in lab grown form lists at a median of about £1,316 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

Lowest Price

£29,275 GBP

Highest Price

£231,617 GBP

Average Price

£91,981 GBP