Gemstone Quality Fundamentals Explained

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The earliest GIA training course resources during the Richard T. Liddicoat Gemological Library and knowledge Center that point out the 4Cs are from 1949. Diamond shade, clarity, Lower and carat excess weight are collectively termed the “4Cs” – the elements that, when mixed, define a diamond’s quality and finally determine https://stever367rpo7.csublogs.com/profile


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