David Rotenberg is an Emeritus Certified Gemologist® Appraiser (ECGA) specializing in fine jewelry and gems, with a strong commitment to continued education in the gemology and appraisal fields. Mr. Rotenberg has over 40 years of experience in the jewelry industry, providing appraisals for estate fair market value settlements, estate liquidations, insurance claims, and expert witness testimony. He operates an American Gem Society (AGS) Accredited Gem Laboratory® on-site to provide the most comprehensive, accurate, and professional jewelry appraisal services available.