Gemological Laboratory: Field Gemologists, & Field Research Gemologists
Monday, June 30, 2014
Jon Cordova at Robbins Brothers Discussing Treated Diamonds
John Cordova (Vice President of Human Resources, Robbins Bros.) gives expert video advice on: What is a 'treated' diamond?; What is a 'clarity enhanced' diamond?; Why would I purchase a treated diamond? and more...
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