International Gemological Institute (IGI) ThailandBGI Building, 9 Soi Charoen Krung 36New Road, Bangkok 10500 T: 662.630.6726/7 F: 662.630.6728W: www.igiworldwide.com E: thailand@igiworldwide.comCONTACT: Bob van Es, managing directorSee Belgium, IGI for details.
Technical Gem Laboratories (TGL) 1F 55/11 Soi Charoenkrung 42/1 Neu Roaw Bangrak, Bangkok 10500 T: 662.635.2030/31/32 F: 662.635.2033W: www.gci- labs.com E: tgl-niro@osb.att.ne.jpCONTACT: Tatsushi JoganOWNER: Kunihiko Jogan G.G. (GIA, U.S.) Article from the Rapaport Magazine - November 2012. To subscribe click here.