Global Gemological Laboratory
Jeweler in Bellevue, WA
GGL is widely recognized as one of the world's premier scientific diamond grading laboratories. GGL supplies diamond grading reports and appraisals for cutters, importers, wholesalers and jewelers throughout the US. With state of the art gemological equipment and a team of distinguished gemologists and appraisers, GGL is establishing elite standards in the world of diamond grading reports and appraisal.