The Round Brilliant Diamond Weight calculator computes the approximate weight of a round brilliant shaped diamond based on the average diameter (vertical and horizontal can be entered in case the diamond face isn't precisely circular), 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: