Unique natural conch pearls are studied in the New York lab.
Read MoreBlister pearls attached to shells are seen in both the Bangkok and the New York laboratories.
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Two blister pearls attached to a host shell believed to have fossilised during the later Pleistocene period and discovered in south-eastern Kenya are studied.
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A sphere with unusual phosphorescence is seen in the Carlsbad laboratory.
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G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
Read MoreThis section, from the Summer 1992 issue of Gems & Gemmology, is a compilation of interesting finds from GIA's laboratories.
Read MoreThis section, from the Summer 2012 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Summer 2008 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Summer 2006 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Summer 2005 issue of Gems & Gemmology, is a compilation of interesting finds from GIA's laboratories.
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