How much does a 3.00 to 4.99ct I VS2 natural radiant diamond cost?

As of October 2026, 3.00 to 4.99ct I VS2 natural radiant diamonds typically cost $41,568 AUD to $81,430 AUD, with a median price of $55,584 AUD. There are currently 51 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS2 radiant diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 24%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VS2 Natural Radiant

Quick answer

As of October 2026, there are 51 natural radiant diamonds with I colour and VS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $41,568 AUD to $81,430 AUD, with a median of $55,584 AUD. At least 58 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 24%. Half of all listings fall between $15,723 AUD and $19,992 AUD per carat. The same specification in lab grown form lists at a median of about $801 AUD per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +21.1%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

$24,169 AUD

Highest Price

$194,957 AUD

Average Price

$58,253 AUD