GIA -  Gemological Instituto of America

GIA - Gemological Instituto of America

Reviews (1) • Excellent
24 October 2013
I am 30 years experienced filed in jewelry designing manufacturing and marketing and Gold scrap valuation assessment and assay with acid and touch stone . I am currently as an instructor jewelry manufacturing ,Bead & metal wire jewelry and also done Diamond Grading GIA. Gems identification course & CAD/CAM course .KTDMC on behalf .Pakistan Gems & jewelry Development Company Karachi
DIAMOND GRADING
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