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Diamond Report: Decoding the Diamond Certificate

Diamond Report: Decoding the Diamond Certificate

Martin Katz
Decoding The Diamond Certificate: What The Grades Mean Most of my clients know that “D flawless” is the best color and clarity a diamond can be.  They are also familiar with the Four C’s that give a diamond its value: color, cut, clarity, and carat weight.   But I’m often asked why the best color for a diamond is a D and not an A?… [more]