Over 15 years of gems and diamond traded experience in many countries, Thailand, China, Burma, Laos, Cambodia, Malaysia, Singapore, Indonesia, Hong Kong, India and Japan. Dr.Sopon has been realized the fact and price of each geometric area to determine the real market price to be issue in the certificate.
Also Expertized in Diamond and Gemstone Cutting as well as grading experienced in a numbers of diamonds and gemstones. Dr.Sopon has the knowledge to understanding the cost and times spend for product when they come for appraisal.
At Toow Institute, Dr.Sopon daily services for appraising lose diamonds, gemstones and jewelry for sell, insurance and update its value each of time they presents.