Owner at Cole Appraisal Services I have worked as a gemologist throughout my career, starting in retail, then moving on to wholesale and manufacturing. Started working for an appraiser in... I have worked as a gemologist throughout my career, starting in retail, then moving on to wholesale and manufacturing. Started working for an appraiser in 1986, left in 1991 to work for GIA first as a research librarian, then as curator of their permanent stone collection. Have been independently...