How much does a 1.00 to 1.49ct E SI1 natural emerald diamond cost?

As of October 2026, 1.00 to 1.49ct E SI1 natural emerald diamonds typically cost $2,747 AUD to $9,467 AUD, with a median price of $4,628 AUD. There are currently 224 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI1 emerald diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 64%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E SI1 Natural Emerald

Quick answer

As of October 2026, there are 224 natural emerald diamonds with E colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,747 AUD to $9,467 AUD, with a median of $4,628 AUD. At least 65 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 64%. Half of all listings fall between $3,254 AUD and $5,844 AUD per carat. The same specification in lab grown form lists at a median of about $582 AUD per carat. Over the last 30 days the median price moved +0.6% and the number of listings moved +10.8%.

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: October 2026

Available

224

Lowest Price

$1,931 AUD

Highest Price

$18,981 AUD

Average Price

$5,431 AUD