How much does a 3.00 to 4.99ct G SI1 natural princess diamond cost?

As of September 2026, 3.00 to 4.99ct G SI1 natural princess diamonds typically cost $28,308 CAD to $80,295 CAD, with a median price of $52,917 CAD. There are currently 83 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI1 princess diamond?

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3.00 to 4.99ct G SI1 Natural Princess

Quick answer

As of September 2026, there are 83 natural princess diamonds with G color and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $28,308 CAD to $80,295 CAD, with a median of $52,917 CAD. At least 41 retailers stock this exact specification. Half of all listings fall between $13,226 CAD and $19,271 CAD per carat. The same specification in lab grown form lists at a median of about $501 CAD 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. Princess natural stones in the index: 2,073 USD per carat, -3.2% 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

Lowest Price

$18,171 CAD

Highest Price

$115,731 CAD

Average Price

$54,648 CAD