How much does a 3.00 to 4.99ct G SI1 natural emerald diamond cost?

As of October 2026, 3.00 to 4.99ct G SI1 natural emerald diamonds typically cost $53,241 AUD to $137,551 AUD, with a median price of $84,105 AUD. There are currently 28 diamonds matching this specification available across retailers.

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

About 22% of these diamonds are available at multiple retailers, with an average price spread of 28%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G SI1 Natural Emerald

Quick answer

As of October 2026, there are 28 natural emerald diamonds with G colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $53,241 AUD to $137,551 AUD, with a median of $84,105 AUD. At least 54 retailers stock this exact specification, and 22% of the stones appear at more than one of them, with an average price spread of 28%. Half of all listings fall between $18,570 AUD and $24,498 AUD per carat. The same specification in lab grown form lists at a median of about $512 AUD per carat. Over the last 30 days the median price moved +0.7% and the number of listings moved +2.3%.

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

$35,160 AUD

Highest Price

$208,541 AUD

Average Price

$93,757 AUD