It is a rare occurrence when a diamond simulant submitted to a GIA laboratory turns out to be a natural gemstone.
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It is a rare occurrence when a diamond simulant submitted to a GIA laboratory turns out to be a natural gemstone.
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2019: A year of ups and downs in the gem and jewellery industry, including diamonds, retail, auction sales and laboratory-grown diamonds.
Read MoreThis section, from the Winter 1982 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
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This section, from the Winter 2010 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Spring 1981 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Winter 2012 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Winter 1998 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Spring 1997 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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