How much does a 1.00 to 1.49ct I VS2 natural radiant diamond cost?

As of September 2026, 1.00 to 1.49ct I VS2 natural radiant diamonds typically cost $2,521 AUD to $6,222 AUD, with a median price of $3,868 AUD. There are currently 810 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

1.00 to 1.49ct I VS2 Natural Radiant

Quick answer

As of September 2026, there are 810 natural radiant diamonds with I colour and VS2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,521 AUD to $6,222 AUD, with a median of $3,868 AUD. At least 61 retailers stock this exact specification. Half of all listings fall between $3,287 AUD and $4,993 AUD per carat. The same specification in lab grown form lists at a median of about $818 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. Radiant natural stones in the index: 2,765 USD per carat, +6.0% 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

810

Lowest Price

$1,602 AUD

Highest Price

$35,720 AUD

Average Price

$4,220 AUD