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 $3,863 NZD to $11,334 NZD, with a median price of $6,542 NZD. There are currently 142 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 142 natural cushion diamonds with G colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $3,863 NZD to $11,334 NZD, with a median of $6,542 NZD. At least 47 retailers stock this exact specification. Half of all listings fall between $4,800 NZD and $8,658 NZD per carat. The same specification in lab grown form lists at a median of about $1,573 NZD 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

142

Lowest Price

$2,832 NZD

Highest Price

$21,827 NZD

Average Price

$7,003 NZD