How much does a 0.50 to 0.74ct G IF natural cushion diamond cost?

As of October 2026, 0.50 to 0.74ct G IF natural cushion diamonds typically cost $849 AUD to $2,522 AUD, with a median price of $1,397 AUD. There are currently 72 diamonds matching this specification available across retailers.

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

About 29% of these diamonds are available at multiple retailers, with an average price spread of 64%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct G IF Natural Cushion

Quick answer

As of October 2026, there are 72 natural cushion diamonds with G colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $849 AUD to $2,522 AUD, with a median of $1,397 AUD. At least 50 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 64%. Half of all listings fall between $1,911 AUD and $3,553 AUD per carat. The same specification in lab grown form lists at a median of about $1,499 AUD per carat. Over the last 30 days the median price moved +5.3% and the number of listings moved -11.6%.

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

Lowest Price

$569 AUD

Highest Price

$4,992 AUD

Average Price

$1,539 AUD