Contact

ICA | Gemlab Headquarters

ICA | GemLab (Gemological Laboratory)

6th Fl., Jewelry Trade Center, Silom Road,
Silom Sub-District, Bangrak District,
Bangkok Thailand 10500

Tel: + 66 2 630-0001
Fax: + 66 2 630-0002
Email: info@icagemlab.com
ICA NEW YORK

International Colored Gemstone Association

31 West 47th St., Suite 1103
New York, NY 10036

Tel: +1 (212) 620-0900
ica@gemstone.org

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