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

As of September 2026, 5.00ct+ G VS1 natural round diamonds typically cost £70,564 GBP to £271,773 GBP, with a median price of £137,240 GBP. There are currently 191 diamonds matching this specification available across retailers.

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

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

5.00ct+ G VS1 Natural Round

Quick answer

As of September 2026, there are 191 natural round diamonds with G colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £70,564 GBP to £271,773 GBP, with a median of £137,240 GBP. At least 18 retailers stock this exact specification. Half of all listings fall between £31,080 GBP and £50,862 GBP per carat. The same specification in lab grown form lists at a median of about £391 GBP 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

191

Lowest Price

£49,295 GBP

Highest Price

£571,668 GBP

Average Price

£159,567 GBP