LOCATION
Gem Testing Center
The Gem and Jewelry Institute of Thailand
(Public Organization) ITF-Tower Building.
4th Floor, Silom Road, Suriyawong
Bangrak, Bangkok 10500, Thailand

Tel: +66 2634 4999 ext. 409
Fax: +66 2634 4970
E-mail:

LAB HOURS
Mon - Fri: 09:30 - 17:00
Closed on Thai government public holidays

The Journal of Gemmology 2016/Volume 35/ No.1

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