CIBJO releases most recent Precious Metals Book

CIBJO, the World Jewellery Confederation, announced the release of the Precious Metals Book, which represents the second book to be released since the 2010 Congress meeting that took place in Munich, Germany this past February. The first book released was the Pearl Book.

Updates in the new version include the introduction of a new appendix giving information on precious metal finenesses. The appendix can now be lawfully sold in CIBJO Member countries worldwide. It is considered an invaluable reference for jewellery manufacturers in all countries throughout the world.

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.

Initially, the first three publications were printed with different coloured covers; blue for the Gemstone Book, grey for the Diamond Book, and gre