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

As of October 2026, 1.50 to 1.99ct E SI2 natural emerald diamonds typically cost $7,189 NZD to $29,099 NZD, with a median price of $16,434 NZD. There are currently 56 diamonds matching this specification available across retailers.

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

About 19% of these diamonds are available at multiple retailers, with an average price spread of 78%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E SI2 Natural Emerald

Quick answer

As of October 2026, there are 56 natural emerald diamonds with E colour and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $7,189 NZD to $29,099 NZD, with a median of $16,434 NZD. At least 50 retailers stock this exact specification, and 19% of the stones appear at more than one of them, with an average price spread of 78%. Half of all listings fall between $5,783 NZD and $11,707 NZD per carat. The same specification in lab grown form lists at a median of about $821 NZD per carat. Over the last 30 days the median price moved -3.9% and the number of listings moved +8.3%.

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

$5,720 NZD

Highest Price

$46,328 NZD

Average Price

$16,941 NZD