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

As of October 2026, 3.00 to 4.99ct I VS2 natural cushion diamonds typically cost £17,736 GBP to £50,747 GBP, with a median price of £27,213 GBP. There are currently 191 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 36%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VS2 Natural Cushion

Quick answer

As of October 2026, there are 191 natural cushion diamonds with I colour and VS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £17,736 GBP to £50,747 GBP, with a median of £27,213 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 36%. Half of all listings fall between £7,587 GBP and £10,841 GBP per carat. The same specification in lab grown form lists at a median of about £497 GBP per carat. Over the last 30 days the median price moved -2.5% and the number of listings moved +9.8%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

191

Lowest Price

£10,585 GBP

Highest Price

£93,816 GBP

Average Price

£31,230 GBP