How much does a 3.00 to 4.99ct G IF natural round diamond cost?

As of September 2026, 3.00 to 4.99ct G IF natural round diamonds typically cost $62,974 AUD to $227,102 AUD, with a median price of $115,539 AUD. There are currently 142 diamonds matching this specification available across retailers.

Where can I find the best price on a G IF round diamond?

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3.00 to 4.99ct G IF Natural Round

Quick answer

As of September 2026, there are 142 natural round diamonds with G colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $62,974 AUD to $227,102 AUD, with a median of $115,539 AUD. At least 52 retailers stock this exact specification. Half of all listings fall between $33,530 AUD and $48,521 AUD per carat. The same specification in lab grown form lists at a median of about $1,712 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

142

Lowest Price

$252 AUD

Highest Price

$509,442 AUD

Average Price

$133,583 AUD