How much does a 3.00 to 4.99ct E IF natural cushion diamond cost?

As of October 2026, 3.00 to 4.99ct E IF natural cushion diamonds typically cost $79,172 CAD to $207,262 CAD, with a median price of $108,836 CAD. There are currently 2 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E IF Natural Cushion

Quick answer

As of October 2026, there are 2 natural cushion diamonds with E color and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $79,172 CAD to $207,262 CAD, with a median of $108,836 CAD. At least 39 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between $30,021 CAD and $49,385 CAD per carat. The same specification in lab grown form lists at a median of about $2,280 CAD per carat. Over the last 30 days the median price moved +1.3% and the number of listings moved +6.2%.

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

$78,626 CAD

Highest Price

$211,416 CAD

Average Price

$129,913 CAD