Sunday, June 21, 2009

Chinese Freshwater Cultured Pearl Grading

China has introduced a new standardized set of pearl samples for grading Chinese freshwater pearls via National Gemstone Testing Center (NGTC) + Gems & Jewelry Trade Association of China + leading pearl companies (Zhejiang Shanxiahu Pearl Co Ltd/Zhejiang Jiali Pearl Jewelry Co Ltd/ Zhejiang Ruan's Pearl Holding Co Ltd). Check out the link http://www.pearls.com/news2/pp48/Taijin%20Lu.pdf

Useful link:
www.ngtc.gov.cn

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