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GIA Proportion Scope Prop Proportion Scope...
GIA Proportion Scope Prop Proportion Scope diamond grading The vintage and original GIA, unrivaled in quality and precision. THE professional gadget for grading proportions of brilliant-cut diamonds. To the pity of many jewellers and...
GIA Proportion Scope Prop ProportionScope...
GIA Proportion Scope Prop ProportionScope diamond grading The vintage and original GIA, unsupered in quality and precision. THE professional gadget for grading proportions of brilliant-cut diamonds. To the pity of many jewellers and...