How much does a 1.00 to 1.49ct G VS1 natural radiant diamond cost?

As of October 2026, 1.00 to 1.49ct G VS1 natural radiant diamonds typically cost $4,005 AUD to $11,455 AUD, with a median price of $6,526 AUD. There are currently 269 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS1 radiant diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G VS1 Natural Radiant

Quick answer

As of October 2026, there are 269 natural radiant diamonds with G colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $4,005 AUD to $11,455 AUD, with a median of $6,526 AUD. At least 65 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between $4,766 AUD and $7,880 AUD per carat. The same specification in lab grown form lists at a median of about $654 AUD per carat. Over the last 30 days the median price moved +0.3% and the number of listings moved +13.4%.

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

269

Lowest Price

$2,343 AUD

Highest Price

$25,428 AUD

Average Price

$7,087 AUD