How much does a 2.00 to 2.99ct G IF natural marquise diamond cost?

As of November 2026, 2.00 to 2.99ct G IF natural marquise diamonds typically cost £21,236 GBP to £39,569 GBP, with a median price of £35,249 GBP. There are currently 1 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 21%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct G IF Natural Marquise

Quick answer

As of November 2026, there are 1 natural marquise diamonds with G colour and IF clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £21,236 GBP to £39,569 GBP, with a median of £35,249 GBP. At least 40 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 21%. Half of all listings fall between £10,953 GBP and £13,533 GBP per carat. The same specification in lab grown form lists at a median of about £799 GBP per carat. Over the last 30 days the median price moved +2.5% and the number of listings moved +10.1%.

Three of the best scored stones at this specification right now:

2.52ct Marquise G IF, GIA, grade A, from £35,249 GBP

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise natural stones in the index: 2,177 USD per carat, -4.2% 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: November 2026

Available

Lowest Price

£13,501 GBP

Highest Price

£56,682 GBP

Average Price

£32,090 GBP