- Canada

Canadian Jewellers Association
27 Queens Street E #600
Toronto, Ontario M5C2M6
Canada
Phone: +1 416 368 7616
Fax: +1 416 368 1986
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- China

National Gemstone Testing Center
NGTC
19 Xiaohuangzhuang Road,
Andingmenwai Street
Beijing 10013
P. R. China
Phone: +86 10 84273637
Fax: +86 10 84274845
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China National Pearl Diamond Gem & Jewellery Imp. & Exp. Corporation
5th Floor, China Arts & Crafts Building,
103 Jixiangli Chaoyangmenwai,
Beijing 100020
China
Phone: +86-10-6553-1064
Fax: +86-10-8569-8622
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- Cook Islands

Cook Islands Pearl Authority
P.O. Box 153 
Rarotonga
Cook Islands
Phone: +682 29055
Fax: +682 29045
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- Denmark

National Gold Consul
Kongevejen 270
DK-2830 Virum
Denmark
Phone: +45 45 83 52 11
Fax: +45 45 83 06 11
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Danish Jewellers Association (supplier)
Kongevejen 270
DK-2830 Virum
Denmark
Phone: +45 45 83 52 11
Fax: +45 45 83 06 11
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The Danish Retail Jeweller and Watchmaker Association
Kongevejen 270
DK-2830 Virum
Denmark
Phone: +45 45 83 52 11
Fax: +45 45 83 06 11
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