Investigating a set of six antique brooches set with diamonds and light blue cabochons.
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This section, from the Summer 2009 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Spring 2010 issue of Gems & Gemology, is a compilation of interesting finds from GIA's laboratories.
Read MoreThis section, from the Summer 1983 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Winter 2005 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Winter 2007 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Spring 1988 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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This section, from the Spring 2006 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Autumn 2005 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Winter 1990 issue of Gems & Gemmology, is a compilation of interesting finds from GIA's laboratories.
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