Tuesday, May 25, 2010

CIBJO releases updated version of Gemstone Book

On the heels of the Precious Metals Book, CIBJO, the World Jewellery Confederation, announced they have completed and released the latest version of the Gemstone Book. The first book released after the Congress meeting in Munich, Germany this past February was the Pearl Book.

The CIBJO Blue Books are a definitive set of standards for the grading, methodology and nomenclature standards for diamonds, coloured gemstones, pearls, precious metals, and recently, also for gemmological terminology and nomenclature. The CIBJO Blue Books were originally compiled, and now continuously updated, by a number of committees comprised of representatives from trade organisations and laboratories in the diamond, coloured gemstone, cultured pearl, precious metals and jewellery industries. The standards represent a consensus derived from the broad expertise on the subject within these committees, and also from individuals outside the committees who had expressed an interest in participating in the development of the guidelines.

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