An overview of Australia's recent significance in the production of blue sapphire.
Read MoreBows have been a popular motif and finishing touch in jewelry and fashion from time immemorial, recurring and adapting to reflect the style of the era.
Read MoreReveals the internal features and spectroscopic data of these small natural pearls and offers the means of separating them from pearls of related mollusk species.
Read MorePoster abstracts on “General Gemology and Jewelry” from GIA’s 2018 International Gemological Symposium.
Read MorePoster abstracts on “New Technologies and Techniques” from GIA’s 2018 International Gemological Symposium.
Read MoreAbstracts of speaker presentations from the “Diamond Identification” session of GIA’s 2018 International Gemological Symposium.
Read MoreAbstracts of speaker presentations from the “New Technologies and Techniques” session of GIA’s 2018 International Gemological Symposium.
Read MoreLooking for a gift for someone special? December’s birthstones offer a treat for every taste, style and personality – even if it’s not their birth month.
Read MoreSummarizes statistical data and distinctive features of several thousand gem-quality HPHT synthetic diamonds examined by GIA from 2007 through 2016.
Read MoreCompares PL spectroscopy data of 48 emerald samples from three countries to evaluate the usefulness of the technique in geographic origin determination.
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