Updated editions of all Blue Books of gemmological standards and nomenclature on CIBJO website

The six CIBJO Blue Books are definitive sets of grading standards and nomenclature for diamonds, coloured gemstones, pearls, coral, precious metals, and gemmological laboratories. They are compiled and then are consistently reviewed and updated by the relevant CIBJO Commissions, whose members include representatives of trade organisations and laboratories active in the respective areas of the industry. In the almost complete absence of jewellery industry standards endorsed by the International Standards Organisation (ISO), the CIBJO Blue Books are the most widely accepted set of globally accepted standards.

The updated versions can be downloaded from the following page on the CIBJO website: http://www.cibjo.org/introduction-to-the-blue-books/.

For individuals who are not members of a CIBJO-member organisation, each individual download will cost 9.90 Swiss francs. All six Blue Books (Diamond Book, Gemstone Book, Pearl Book, Coral Book, Precious Metals Book and Gemmological Laboratories Book) can be downloaded as a single package at a discounted rate of 49.90 Swiss francs. For individuals who are members of an organisation that belongs to CIBJO, he or she is entitled to receive the CIBJO Blue Books free of charge. They should contact the organisation of which they are members to arrange delivery of the relevant Blue Books by email.

(excerpts from a FEBRUARY 13, 2016 CIBJO press release – the underlining is ours)

CIBJO Diamond Commission Special Report (synthetics and inclusion mapping technologies)

CIBJO released a Diamond Commission Special Report (SEPTEMBER 7, 2016). The report (cibjo-special-report-2016-diamond-commission) discusses two important developments:

  1. Synthetic diamonds. The report reiterates standards introduced by CIBJO to clearly distinguish between natural and man-made gems. These essentially were adopted (in general) by the International Standards Organisation in 2015, when it released ISO International Standard 18323 (specifies a set of permitted descriptors for the diamond industry that are designed to be understood by the consumer).
  2. Scanning technologies, created in recent years, enable rough dealers to accurately map the internal inclusions in a stone. The report discuss the ethical implications of such technologies.

CIBJO, the World Jewellery Confederation, describes itself as the “United Nations of the jewellery business,”. It represents the interests of all individuals, organisations and companies earning their livelihoods from jewellery, gemstones and precious metals. It is the oldest international organization in jewellery sector, having originally been established in 1926.

With its membership made up largely by national jewellery trade organizations from more than 40 countries around the world, CIBJO covers the entire jewellery, gemstone and precious metals sectors vertically, from mine to marketplace, and horizontally within each of the component sectors in the various production, manufacturing and trading centres. Most of the international jewellery sector’s leading corporations and service providers are also affiliated to CIBJO through commercial membership.