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.
Read MoreTairus, in Novosibirsk, has produced yet another new type of Russian hydrothermal synthetic emerald.
Read MoreThis article describes a new manufactured gem material marketed under the trade name "Emeraldolite," which is an epitaxial growth of flux synthetic emerald on opaque white beryl.
Read MoreAn examination of the gemmological properties of a French flux fusion-grown synthetic emerald.
Read MoreThe technique is nondestructive and, with Fourier transform instrumentation, extremely rapid in comparison to most laboratory methods.
Read MoreA treatise on the design, display, care and repair of fine gemstones.
Read MoreThe Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.
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