The "Sunstone Odyssey" series continues with a visit to the Dust Devil mine, a source of rough for many award-winning faceted gems and carvings.
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Explore the wondrous world of diamonds in this large book (2 stone 5 lbs and three feet wide when open) and gallery from a past exhibition – that reveals their detail and beauty.
Read MoreSumitomo Electric Industries is producing gem-quality synthetic yellow diamonds in deep yellow single crystals in sizes up to 2 ct.
Read MoreTwo new categories of grey-to-blue diamonds are described.
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By Bernhard Dischler, 467 pp., publ. by Springer-Verlag Berlin and Heidelberg GmbH & Co., Berlin; New York, 2012, US $120
Read MoreDiamonds treated using the new Serenity Technologies coating technique for inducing various “fancy” colours are reported.
Read MoreThis section, from the Summer 1990 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThe description and properties of three fancy-colour diamonds auctioned at Christie's.
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Recent lab examination reveals that traditional treatments such as calcium fluoride coating are still prevalent in the trade, and great care must be taken to identify them.
Read MoreThis section, from the Summer 2000 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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