Page 158 - Thailand Gems & Jewelry Guide Book
P. 158
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Thailand’s Gems & Jewelry Guide Book
G
emological Laboratories in Thailand
除了宝石的颜色、净度、切工和重量四要素(4C)之外,
还有第五个C,即证书(Certificate)。
您可以在以下著名的宝石实验室中获取宝石鉴定或分
级证书。
Apart from the 4C of diamonds gemstones (cut, clarity, color,
carat) that you’ll need to know before buying the right diamonds/
gemstones for yourself, there is also the “Fifth C” - Certificate to be
adhered to.
You can get a diamond / gemstone certificate from the
reputable gemological laboratory below:
The Gem and Jewelry Institute of Thailand (Public Organization) (GIT)
ITF-Tower Building. 4th Floor, Silom Road, Bangrak, Bangkok 10500 Thailand
Tel: +66 2 634 4999 ext. 409 Fax: +66 2 634 4970
E-mail: jewelry@git.or.th
Gemological Institute of America (Thailand) (GIA)
10Floor U-Chu-Liang Building, 968 Rama IV Road, Bangkok 10500 Thailand
th
Tel: +66 2 632 4090 Fax: +66 2 632 4096
Email: giabkklab@gia.edu
Asian Institute of Gemological Sciences (AIGS)
919/539 Jewelry Trade Center Bld.,48th fl., Silom Rd., Bangrak Bangkok 10500 Thailand
Tel: +66 2 267 4315 Fax: +66 2 267 4320
E-mail: registrar@aigsthailand.com
www.aigsthailand.com
GRS Thailand (Dr. Peretti Co., Ltd.)
501-506, Silom 19 Building, Soi 19, Silom Road, Bangrak, Bangkok 10500 Thailand
Tel: +66 2 237 5898 Fax: +66 2 237 5899
www.drperetti.com
International Gemological Institute (I.G.I)
BGI Building, 9 Soi Charoen Krung 36, New Road, Bangkok 10500 Thailand
Tel: +66 2 630 6726, +66 2 630 6727 Fax: +66 2 630 6728
E-mail: thailand@igiworldwide.com
