How much does a 1.00 to 1.49ct I VS1 natural oval diamond cost?

As of October 2026, 1.00 to 1.49ct I VS1 natural oval diamonds typically cost €1,859 EUR to €5,074 EUR, with a median price of €3,037 EUR. There are currently 637 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct I VS1 Natural Oval

Quick answer

As of October 2026, there are 637 natural oval diamonds with I colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €1,859 EUR to €5,074 EUR, with a median of €3,037 EUR. At least 67 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 43%. Half of all listings fall between €2,482 EUR and €3,781 EUR per carat. The same specification in lab grown form lists at a median of about €423 EUR per carat. Over the last 30 days the median price moved -0.8% and the number of listings moved +0.4%.

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

637

Lowest Price

€1,070 EUR

Highest Price

€11,260 EUR

Average Price

€3,294 EUR