All Teaching Centres CHOOSE FROM 11 DIFFERENT CENTERS FROM ACROSS EUROPE

Academie voor MineralogieAustrian Gemmological Association (Ö.GEM.G.)Deutsche Gemmologische GesellschaftEscola de GemmologiaGemmological Association of Great Britain (Gem-A)Instituto Gemológico Español (IGE)Istituto Gemmologico ItalianoL'Institut National De GemmologieNederlands Edelsteen LaboratoriumSociété Royale Belge de GemmologieVakschool Schoonhoven / DGI