How much does a 5.00ct+ G VS1 natural round diamond cost?

As of October 2026, 5.00ct+ G VS1 natural round diamonds typically cost $210,743 NZD to $586,229 NZD, with a median price of $350,020 NZD. There are currently 76 diamonds matching this specification available across retailers.

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

About 56% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G VS1 Natural Round

Quick answer

As of October 2026, there are 76 natural round diamonds with G colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $210,743 NZD to $586,229 NZD, with a median of $350,020 NZD. At least 26 retailers stock this exact specification, and 56% of the stones appear at more than one of them, with an average price spread of 43%. Half of all listings fall between $81,731 NZD and $125,689 NZD per carat. The same specification in lab grown form lists at a median of about $752 NZD per carat. Over the last 30 days the median price moved +11.6% and the number of listings moved 0.0%.

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

Lowest Price

$119,773 NZD

Highest Price

$1,279,107 NZD

Average Price

$388,063 NZD