Gem Books Websites:

  • themelis.com

    Welcome to Gemlab Inc. at www.themelis.com

    Gemlab provides diversified and broad range of products and services for the gem-jewelry industry: Gem Training, Gem Books, Gem Instruments, Treatment Equipment, Gem Sets, and...

  • 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.