CIBJO Blue Books free during COVID-19

With the international jewellery and gemstone industry grappling with the challenge of a worldwide economic shutdown, CIBJO has announced that it will no longer be charging for downloads of its Blue Book series of industry standards and nomenclature The CIBJO Blue Books are definitive sets of grading standards and nomenclature for diamonds, coloured gemstones, pearls,coral, … Continue reading CIBJO Blue Books free during COVID-19