How much does a 1.50 to 1.99ct I VS2 natural oval diamond cost?

As of October 2026, 1.50 to 1.99ct I VS2 natural oval diamonds typically cost £3,612 GBP to £9,440 GBP, with a median price of £5,784 GBP. There are currently 417 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 40%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct I VS2 Natural Oval

Quick answer

As of October 2026, there are 417 natural oval diamonds with I colour and VS2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £3,612 GBP to £9,440 GBP, with a median of £5,784 GBP. At least 67 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 40%. Half of all listings fall between £3,355 GBP and £4,991 GBP per carat. The same specification in lab grown form lists at a median of about £315 GBP per carat. Over the last 30 days the median price moved -1.0% and the number of listings moved +4.8%.

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

417

Lowest Price

£2,257 GBP

Highest Price

£15,743 GBP

Average Price

£6,192 GBP