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Abstracts; Summer 2009
This article, from the Summer 2009 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.
Abstracts; Fall 2009
This article, from the Fall 2009 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.
Rapid Sight Estimates of Diamond Cutting Quality
A diamond brilliant’s beauty is the result of a complex combination of angles and proportions. In this article, Richard Liddicoat shows gemologists how to become familiar with how variations in cutting angles can affect a diamond’s face-up appearance.
AJDC Jewelry Collection
The GIA Museum showcases contemporary jewelry pieces donated by the American Jewelry Design Council.
Magnetic Properties of Gem-Quality Synthetic Diamonds
A comparison of the magnetic properties of synthetic and natural diamonds.
Fingerprinting of Two Diamonds Cut from the Same Rough
With the information from a combination of tools now available, the sophisticated gemologist can fingerprint a given stone.
Fourth International Gemological Symposium: Diamonds: Mapping the Future
Fourth International Gemological Symposium: Diamonds: Mapping the Future
Winter 2012 G&G; Lab Notes
This section, from the Winter 2012 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Winter 1990 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Winter 1990 G&G; Lab Notes
This section, from the Winter 1990 issue of Gems & Gemology, is a compilation of interesting finds from GIA's laboratories.
