ICA | Gemlab


ICA | Gemlab

ICA | GemLab Professionals

ICA | GemLab employs some of the most renowned exports in the gemological industry, ensuring each customer’s needs are handled with the utmost attention, care, and skill. Our team knows which methods or equipment to utilize in any given situation, no matter how specific or unusual, so that your gems are handled safely and the reports you receive are as detailed and accurate as possible.

Chief Gemologist | Research Manager


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.

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