GCAL 8X cut grade now covers fancy shapes
Image: GCAL 8X – www.gcalusa.com Gem Certification & Assurance Lab (GCAL) has expanded its GCAL 8X cut grade to include ovals and
Image: GCAL 8X – www.gcalusa.com Gem Certification & Assurance Lab (GCAL) has expanded its GCAL 8X cut grade to include ovals and