How much does a 1.50 to 1.99ct I SI2 natural emerald diamond cost?

As of November 2026, 1.50 to 1.99ct I SI2 natural emerald diamonds typically cost €2,766 EUR to €8,723 EUR, with a median price of €5,466 EUR. There are currently 76 diamonds matching this specification available across retailers.

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

About 23% of these diamonds are available at multiple retailers, with an average price spread of 63%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct I SI2 Natural Emerald

Quick answer

As of November 2026, there are 76 natural emerald diamonds with I color and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run €2,766 EUR to €8,723 EUR, with a median of €5,466 EUR. At least 47 retailers stock this exact specification, and 23% of the stones appear at more than one of them, with an average price spread of 63%. Half of all listings fall between €2,195 EUR and €4,027 EUR per carat. The same specification in lab grown form lists at a median of about €664 EUR per carat. Over the last 30 days the median price moved -2.3% and the number of listings moved +7.8%.

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: November 2026

Available

Lowest Price

€1,494 EUR

Highest Price

€14,757 EUR

Average Price

€5,525 EUR