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4Cs of Diamond Quality: Diamond Clarity Grading by GIA
http://gia.edu/diamond 4Cs of Diamond Quality: Diamond Clarity Grading by GIA. GIA is the creator of the 4Cs of diamond quality used worldwide. Diamond clarity refers to the absence of inclusions and blemishes. While no diamond is perfectly pure, the closer it comes, the higher its value. Evaluating diamond clarity involves determining the ...
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