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Summer 1993 G&G Lab Notes

June 1, 1993

This section, from the Summer 1993 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

Summer 2000 G&G Lab Notes

June 1, 2000

This section, from the Summer 2000 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

Summer 1985 G&G Lab Notes

June 1, 1985

This section, from the Summer 1985 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

Summer 1991 G&G Lab Notes

June 1, 1991

This section, from the Summer 1991 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.