How much does a 2.00 to 2.99ct G SI2 natural oval diamond cost?

As of October 2026, 2.00 to 2.99ct G SI2 natural oval diamonds typically cost £5,232 GBP to £18,629 GBP, with a median price of £10,006 GBP. There are currently 444 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 oval diamond?

About 37% of these diamonds are available at multiple retailers, with an average price spread of 45%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct G SI2 Natural Oval

Quick answer

As of October 2026, there are 444 natural oval diamonds with G colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £5,232 GBP to £18,629 GBP, with a median of £10,006 GBP. At least 55 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 45%. Half of all listings fall between £3,707 GBP and £5,856 GBP per carat. The same specification in lab grown form lists at a median of about £285 GBP per carat. Over the last 30 days the median price moved -2.2% and the number of listings moved +9.2%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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: October 2026

Available

444

Lowest Price

£2,829 GBP

Highest Price

£36,620 GBP

Average Price

£11,197 GBP