This Cushion Diamond Cut Weight calculator computes the approximate weight of a cushion cut diamond based on the average diameter (vertical and horizontal can be entered in case the diamond face isn't precisely symmetrical), depth and girdle thickness factor.
INSTRUCTIONS: Choose units and enter the following:
Carat Weight (wt): 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 common gem cutsthat are specific to diamonds and diamond cuts including the following: