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

As of September 2026, 1.00 to 1.49ct E IF natural cushion diamonds typically cost $4,423 AUD to $13,301 AUD, with a median price of $6,804 AUD. There are currently 116 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

1.00 to 1.49ct E IF Natural Cushion

Quick answer

As of September 2026, there are 116 natural cushion diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $4,423 AUD to $13,301 AUD, with a median of $6,804 AUD. At least 48 retailers stock this exact specification. Half of all listings fall between $6,100 AUD and $11,338 AUD per carat. The same specification in lab grown form lists at a median of about $1,212 AUD 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

116

Lowest Price

$3,326 AUD

Highest Price

$25,512 AUD

Average Price

$7,909 AUD