How much does a 2.00 to 2.99ct G SI1 natural cushion diamond cost?

As of November 6, 2026, 2.00 to 2.99ct G SI1 natural cushion diamonds typically cost €8,534 EUR to €23,797 EUR, with a median price of €14,240 EUR. There are currently 776 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI1 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.

2.00 to 2.99ct G SI1 Natural Cushion

Quick answer

As of November 6, 2026, there are 776 natural cushion diamonds with G colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €8,534 EUR to €23,797 EUR, with a median of €14,240 EUR. Half of all listings fall between €5,198 EUR and €8,535 EUR per carat. The same specification in lab grown form lists at a median of about €425 EUR per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved +8.5%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Cushion natural stones in the index: 2,881 USD per carat, -2.5% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

776

Lowest Price

€4,484 EUR

Highest Price

€52,074 EUR

Average Price

€15,871 EUR