June 1, 2009
This section, from the Summer 2009 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreJune 1, 1986
This section, from the Summer 1986 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreJune 1, 1983
This section, from the Summer 1983 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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