SEPERTI APA WARNA RUBY YANG BAGUS DAN MASUK KATEGORI PIGEON BLOOD

Class Registration: Tel/WhatsApp: 081218497706 / 081314189763 SUMARNI PARAMITA is the Director of Adamas Gemological Laboratory (AGL) in Jakarta, Indonesia. She is a graduate of the Gemological Institute of America (GIA) Bangkok, the Asian Institute of Gemological Science (AIGS) Bangkok, and the International Gemological Institute (IGI) Antwerp. She also holds a Gemological Diploma from the Gemological Association of Great Britain (GEM-A) and an International Registered Master Valuer (USA). She began her career as an Assistant Gemologist after graduation. She also holds a Rough Diamond Grader certification. She frequently participates in gem and diamond-related seminars, both domestically and internationally. With over 30 years of experience in the gemological industry, he is also the co-author of the books "The Sparkle of Gemstones," "The Complete Guide to Diamond Valuation," and "A Complete Review of Ruby, Sapphire, and Its Imitations." He also wrote the book "The Complete A-Z Guide to Gemstones."