How much does a 3.00 to 4.99ct G VS1 natural marquise diamond cost?

As of September 2026, 3.00 to 4.99ct G VS1 natural marquise diamonds typically cost £42,370 GBP to £109,772 GBP, with a median price of £72,852 GBP. There are currently 36 diamonds matching this specification available across retailers.

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

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

3.00 to 4.99ct G VS1 Natural Marquise

Quick answer

As of September 2026, there are 36 natural marquise diamonds with G colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £42,370 GBP to £109,772 GBP, with a median of £72,852 GBP. At least 39 retailers stock this exact specification. Half of all listings fall between £14,716 GBP and £18,050 GBP per carat. The same specification in lab grown form lists at a median of about £304 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. Marquise natural stones in the index: 2,114 USD per carat, -8.8% 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

Lowest Price

£26,169 GBP

Highest Price

£137,484 GBP

Average Price

£70,580 GBP