Barry S. Block is a Graduated Gemologist from the Gemological Institute of America and a Master Gemologist Appraiser® with the American Society of Appraisers. He has been active in...mehr sehenBarry S. Block is a Graduated Gemologist from the Gemological Institute of America and a Master Gemologist Appraiser® with the American Society of Appraisers. He has been active in the jewelry industry since 1967 and has been an independent appraiser of gems and jewelry since 1989. He currently lives in Long Island, New York. This is his first publication, inspired by his interaction with the children of his wife’s 2nd grade class.weniger sehen