How much does a 3.00 to 4.99ct I VS1 natural heart diamond cost?

As of October 2026, 3.00 to 4.99ct I VS1 natural heart diamonds typically cost $29,855 AUD to $75,645 AUD, with a median price of $53,755 AUD. There are currently 23 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 34%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VS1 Natural Heart

Quick answer

As of October 2026, there are 23 natural heart diamonds with I colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $29,855 AUD to $75,645 AUD, with a median of $53,755 AUD. At least 38 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 34%. Half of all listings fall between $12,541 AUD and $17,913 AUD per carat. The same specification in lab grown form lists at a median of about $638 AUD per carat. Over the last 30 days the median price moved +0.3% and the number of listings moved +3.1%.

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. Heart natural stones in the index: 2,374 USD per carat, +9.8% 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

$24,422 AUD

Highest Price

$130,761 AUD

Average Price

$54,868 AUD