ICA GemLab is
ICA | GemLab operates in affiliation with the International Colored Gemstone Association (ICA), which is the only worldwide body specifically created to benefit the global colored gemstone industry.
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
Unit 11/8Fl, Lippo Sun Plaza, No.28,
Canton Road, Kowloon,
Phone1: + 852 9388-1860
Phone2: + 852 9388-1606