How much does a 1.00 to 1.49ct I SI2 natural emerald diamond cost?

As of September 2026, 1.00 to 1.49ct I SI2 natural emerald diamonds typically cost $1,970 NZD to $6,788 NZD, with a median price of $3,601 NZD. There are currently 428 diamonds matching this specification available across retailers.

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

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

1.00 to 1.49ct I SI2 Natural Emerald

Quick answer

As of September 2026, there are 428 natural emerald diamonds with I colour and SI2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $1,970 NZD to $6,788 NZD, with a median of $3,601 NZD. At least 46 retailers stock this exact specification. Half of all listings fall between $2,578 NZD and $4,207 NZD per carat. The same specification in lab grown form lists at a median of about $1,550 NZD 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

428

Lowest Price

$1,178 NZD

Highest Price

$12,214 NZD

Average Price

$4,041 NZD