How much does a 3.00 to 4.99ct I VS2 natural marquise diamond cost?

As of September 2026, 3.00 to 4.99ct I VS2 natural marquise diamonds typically cost £23,439 GBP to £49,497 GBP, with a median price of £37,406 GBP. There are currently 44 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS2 marquise diamond?

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

3.00 to 4.99ct I VS2 Natural Marquise

Quick answer

As of September 2026, there are 44 natural marquise diamonds with I colour and VS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £23,439 GBP to £49,497 GBP, with a median of £37,406 GBP. At least 40 retailers stock this exact specification. Half of all listings fall between £10,709 GBP and £13,795 GBP per carat. The same specification in lab grown form lists at a median of about £715 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

£18,194 GBP

Highest Price

£75,238 GBP

Average Price

£37,658 GBP