The diamond calculator allows you to select a diamond shape, size, and quality grade and proceeds to generate a projected market price of the exact diamond. This price calculation helps you to make an educated descision on whether you are paying a fair price for your desired diamond. Just enter the criteria below, hit calculate, and the estimated market price will be generated. The diamond calculator will even produce a certificate report which you can take to the retail store for your negotations. View: Rounds Price List  or  Fancy Shapes Price List