How much does a 1.00 to 1.49ct G IF natural cushion diamond cost?

As of September 2026, 1.00 to 1.49ct G IF natural cushion diamonds typically cost $2,320 USD to $6,223 USD, with a median price of $3,721 USD. There are currently 146 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct G IF Natural Cushion

Quick answer

As of September 2026, there are 146 natural cushion diamonds with G color and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,320 USD to $6,223 USD, with a median of $3,721 USD. At least 46 retailers stock this exact specification. Half of all listings fall between $2,763 USD and $4,896 USD per carat. The same specification in lab grown form lists at a median of about $929 USD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Cushion natural stones in the index: 2,792 USD per carat, +1.1% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

146

Lowest Price

$1,781 USD

Highest Price

$12,465 USD

Average Price

$3,983 USD