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"…Every diamond should come with a grading certificate from an accredited gemmological laboratory; the jewellers we talked to agree that the Gemological Institute of America, an independent non-profit organisation, is the most trustworthy."

The Wall Street Journal

 

Armando Medina, President of Medina Jewelers, is a GIA Graduate Gemologist. He handles all our appraisals and applies the techniques and principles of the Institute to every piece.

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