Conclave 2026

Richard Drucker is the founder and president emeritus of Gemworld International, Inc. in Glenview, Illinois. His credentials include: Graduate Gemologist of the Gemological Institute of America; Honorary Fellow of the Gemmological Association of Great Britain; Senior Member of the National Association of Jewelry Appraisers; Senior Gemologist, Accredited Gemologists Association. As a third generation in the jewelry industry, he began a pricing publication in 1982 now known as the GemGuide. This publication is used in more than 40 countries and is the industry leader in gem pricing and market information. In 2002, he became the owner of GemGuide Appraisal Software. In 2014 he co-developed the World of Color nomenclature and grading system for colored gemstones. In 2020, he collaborated with Jewelers Mutual Insurance to develop appraisal software for retail jewelers powered by Gemworld.