Idar Oberstein Websites:

  • dyber.net

    Michael M. Dyber - Home Page and Site Map

    Michael M Dyber Gemstone Sculptures. Award Winning designs in precious gemstones

  • gemcertificate.com

    Deutsche Diamant-und Edelsteinlaboratorien

    Deutschen Diamant- und Edelsteiniaboratorien Idar-Oberstein (DEL)

  • res-nussbaum.de

    Real Estate Services - Constantin Nussbaum - Startseite

    Real Estate Services- Constantin Nussbaum, Immobilienverwaltung, Hausverwaltung, Idar-Oberstein, Birkenfeld, Baumholder

  • cigem.ca

    Gemology World – Canadian Institute of Gemmology

    Dedicated to research and advance in education in the field of gemmology. Gemlab Research & Technology. Gemological Books and Instruments. Professional Development.