How much does a 1.50 to 1.99ct E SI2 natural oval diamond cost?

As of October 2026, 1.50 to 1.99ct E SI2 natural oval diamonds typically cost $5,256 CAD to $18,340 CAD, with a median price of $10,301 CAD. There are currently 402 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI2 oval diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E SI2 Natural Oval

Quick answer

As of October 2026, there are 402 natural oval diamonds with E color and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $5,256 CAD to $18,340 CAD, with a median of $10,301 CAD. At least 55 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between $5,425 CAD and $8,702 CAD per carat. The same specification in lab grown form lists at a median of about $459 CAD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved -0.8%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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

402

Lowest Price

$3,237 CAD

Highest Price

$30,605 CAD

Average Price

$11,183 CAD