How much does a 2.00 to 2.99ct I IF natural round diamond cost?

As of October 2026, 2.00 to 2.99ct I IF natural round diamonds typically cost $18,211 AUD to $114,756 AUD, with a median price of $39,818 AUD. There are currently 136 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 53%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I IF Natural Round

Quick answer

As of October 2026, there are 136 natural round diamonds with I colour and IF clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $18,211 AUD to $114,756 AUD, with a median of $39,818 AUD. At least 58 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 53%. Half of all listings fall between $12,018 AUD and $20,345 AUD per carat. The same specification in lab grown form lists at a median of about $1,535 AUD per carat. Over the last 30 days the median price moved -0.7% and the number of listings moved +13.1%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

136

Lowest Price

$11,228 AUD

Highest Price

$149,215 AUD

Average Price

$55,114 AUD