Collectors from around the world descended on Christie's Maharajas & Mughal Magnificence auction of the jewels from the Al-Thani Collection on 19 June.
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A first-hand look at Colombia’s emerald mines and the cutting and trading industry in Bogotá.
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Chronicles the famed emerald source through the adventures of Peter W. Rainier, who directed the mine from 1926 to 1931 and restored its former glory.
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A GIA team travels the world to discover and document what happens as coloured gems travel from mine to market.
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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G&G Brief presents an overview of the content of the Autumn 2015 issue of Gems & Gemology.
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Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.
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Video compilation explores Brazil’s most important emerald deposits, as well as the country’s mining practices and laws.
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A report on the chemical and mineralogical analysis of samples’ solid inclusions.
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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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