Graham Jewellers-Learn about the 4 Cs of diamond grading, diamond color, diamond cut, diamond clarity, and diamond carat weight. Selecting a diamond is the decision of a lifetime, and the process begins with the 4Cs. Setting industry standards, the 4Cs—Cut, Color, Clarity, and Carat Weight—is the time-honored system for determining a diamond’s worth. It is the collective assessment of the 4Cs that assigns value to a particular stone.
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