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  CIBJO Congress 2025 releases Seventh Special Report    With fewer than four weeks to go to the opening of the 2025 CIBJO Congress in Paris, France, on October 27, 2025, the seventh of the pre-congress Special Reports has been released. Prepared by the CIBJO Gemmological Commission, headed by Hanco Zwaan, the report considers the possibility of CIBJO producing a list of gem laboratories that have committed to applying the standards, principles and nomenclature listed in the CIBJO Blue Books.    “There have in recent years been concerns expressed about gemstone reports issued by different labs for the same stones, with different and sometime contradictory findings,” writes Dr. Zwaan. “This has brought into question the qualifications of the laboratories issuing the reports, taking into consideration that, worldwide, there is very little official oversight as to what are the requirements for an organisation to claim to be a gem testing laboratory.” A key...

Responsible Sourcing Blue Book at OECD's Forum On April 23, 2019 CIBJO President Gaetano Cavalieri will present the World Jewellery Confederations' recently approved Responsible Sourcing Blue Book next Tuesday, April 23, 2019, to the full plenary of the 2019 Forum on Responsible Mineral Supply Chains, organised by the Organisation for Economic Cooperation and Development (OECD) at its headquarters in Paris. The OECD forum, which this year will welcome about 1,200 delegates, will feature sessions on measuring impact and driving change, opportunities and challenges related to specific minerals such as diamonds, base metals, cobalt, the 3Ts and gold, and regulatory and policy updates related to responsible sourcing. In particular, the forum will focus on the OECD's highly-regarded due diligence guidance framework for minerals from high-risk areas. The CIBJO president will be speaking during a late afternoon session on the first day of the forum, at which sel...

CIBJO allows download free of charge in multiple languages CIBJO, the World Jewellery Confederation, has released a simplified guide to ethical and responsible practices in the handling and trading of diamonds, coloured gemstones, pearls and coral, and has made it available for downloading in PDF format from the CIBJO website, in multiple languages, free of charge. The 10-page to 13-page document, depending on the language in which it is downloaded, provides easy-to-understand guidelines for industry professionals concerning the disclosure and description of natural and treated gem materials, synthetics and other artificial products, as well as recommendations about information that should be requested from suppliers. The document is intended to support jewellery business owners and professional staff, but it is not intended to replace CIBJO's Blue Books, which are comprehensive guides of standards, practices and nomenclature for diamonds, coloured gemstones, p...

Guidance for responsible sourcing In the jewellery sector The Blue Book will be presented On January 19 at Vicenzaoro The Board of Directors of CIBJO, the World Jewellery Confederation, has approved the first edition of the Responsible Sourcing Book, which provides a framework and guidance for due diligence related to the responsible sourcing of gemstones and precious metals in the jewellery sector. It becomes the latest in CIBJO's Blue Book series of definitive industry guides for standards and nomenclature, joining the Blue Books for diamonds, coloured gemstones, pearls, precious coral, precious metals and gemmological laboratories. The new Responsible Sourcing Book is the product of a year-long project, which included the creation of the CIBJO Responsible Sourcing Commission and a policy document that was presented at the 2018 CIBJO Congress in Bogotá in November. Before its release, it was subject to a rigorous internal and external review process th...