Compares PL spectroscopy data of 48 emerald samples from three countries to evaluate the usefulness of the technique in geographic origin determination.
Read MoreJaipur, India, is a leading emerald cutting and trading centre for the global gem and jewellery industry. See inside the industry with a GIA field team, and learn the intricacies of a business seldom seen by the public or most members of the industry.
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All jewellery professionals are familiar with the city of Shenzhen, a global jewellery manufacturing centre and a leader of China’s fast-growing gem and jewellery industry. Join the GIA team as we tour the city and discover more about its leading jewellery brands.
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This article examines the mysteries of rough emerald cutting through a spectacular pair of cat's-eye emeralds from Colombia.
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This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Read MoreA treatise on the design, display, care and repair of fine gemstones.
Read MoreA new synthetic emerald exhibits some characteristics that are distinctly different from other synthetic emeralds, such as gold inclusions.
Read MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
Read MoreThis article focuses on Colombian emeralds and gives a detailed explanation of the oiling process as observed by the author.
Read MoreTairus, in Novosibirsk, has produced yet another new type of Russian hydrothermal synthetic emerald.
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