How much does a 1.50 to 1.99ct G VS1 natural cushion diamond cost?

As of October 2026, 1.50 to 1.99ct G VS1 natural cushion diamonds typically cost £4,082 GBP to £11,246 GBP, with a median price of £7,371 GBP. There are currently 364 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 49%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G VS1 Natural Cushion

Quick answer

As of October 2026, there are 364 natural cushion diamonds with G colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £4,082 GBP to £11,246 GBP, with a median of £7,371 GBP. At least 62 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 49%. Half of all listings fall between £3,634 GBP and £6,022 GBP per carat. The same specification in lab grown form lists at a median of about £360 GBP per carat. Over the last 30 days the median price moved -1.2% and the number of listings moved +1.4%.

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. 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

364

Lowest Price

£2,646 GBP

Highest Price

£23,795 GBP

Average Price

£7,601 GBP