Chief Gemologist | Research Manager
DR. DIETMAR SCHWARZ
Dr. Dietmar Schwarz, our research manager and chief gemologist, is a renowned colored-stone gemologist, lecturer, and leading authority on emeralds. He served as the head of research at Gubelin Laboratory in Switzerland for over two decades, and continues to lead gemstone workshops, seminars, and lectures in Thailand and abroad. His career in gemology spans four decades, and includes teaching and research on five continents. He was a professor at the Universidade Federal de Ouro Preto in Minas Gerais, Brazil for more than seven years, the director at the Asian Institute of Gemological Sciences (AIGS) in Bangkok, Thailand for three years.
Dr. Schwarz has been involved in a great number of research projects. Currently, he is serving as a part-time professor at Tongji University in Shanghai and a guest lecturer at the China University of Geosciences (Campus in Wuhan and Campus in Beijing).
Dr. Schwarz is the author of the books “Esmeralda” (1987) and “Geographic Origin Determination of Colored Gemstones” (2012). In addition, he is a prolific author and co-author of numerous notable gemological research papers, most notably in the field of emeralds.