The Princess Cut Diamond Weight calculatorPrincess Cut computes the approximate weight of a princess cut diamond based on the average diameter (vertical and horizontal can be entered in case the diamond face isn't precisely rectangular), depth and girdle thickness factor.
INSTRUCTIONS: Choose your preferred units and enter the following:
Carat Weight: The calculator returns weight of the diamond in carats. However, this can be automatically converted to other weight units (e.g. grams) via the pull-down menu.
The Diamond Weight formulas contains carat weight equations that are specific to diamonds and diamond cuts including the following: common gem cuts