The Gemological Institute of America (GIA) has begun issuing its updated Lab-Grown Diamond Grading Reports (LGDRs)
In August, GIA announced that it would change its LGDRs, which it has issued since 2006, to include the same colour and clarity grading system as it uses for mined diamonds. Previously, LGDRs used general descriptive terms. CEO Susan Jacques comments as follow: “Our intention is to be able to provide consumers with what consumers…
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