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

As of September 2026, 3.00 to 4.99ct G SI1 natural emerald diamonds typically cost $41,812 AUD to $122,952 AUD, with a median price of $78,263 AUD. There are currently 100 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct G SI1 Natural Emerald

Quick answer

As of September 2026, there are 100 natural emerald diamonds with G colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $41,812 AUD to $122,952 AUD, with a median of $78,263 AUD. At least 49 retailers stock this exact specification. Half of all listings fall between $19,638 AUD and $26,995 AUD per carat. The same specification in lab grown form lists at a median of about $447 AUD 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

100

Lowest Price

$24,061 AUD

Highest Price

$208,314 AUD

Average Price

$85,766 AUD