Diamond Colour And Clarity Chart. Keep a copy of this helpful chart handy the next time you shop for a diamond so you can reference the information as needed. D is colorless and z is light yellow.
Clarity, it’s important to explain the basics of how color and clarity actually affect a diamond’s appearance. The gia uses the following parameters to describe a diamond’s clarity grade: It is cast in 18ct gold measures appox 2.55mm and spreads to 6.02mm , 4 claws set.