This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
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A rare chameleon diamond is examined in GIA's Carlsbad lab.
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A Fancy yellow type Ib CVD-grown synthetic diamond undergoes testing at the New York lab.
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On Oct. 7 in Hong Kong, a 118.28 ct D-Flawless sold for more than $30 million, becoming the most expensive colourless diamond ever sold at auction.
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De Beers’ recent rough price increase has caused some concern among manufacturers who have just begun to return to profit after two years of struggle.
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Demand at Tucson was decent, but the retail outlook for 2016 in the U.S. remains cautious – with a slight decline in other major consumer centres.
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US seasonal sales predictions are better than expected. Sotheby’s Hong Kong auction features a 100 ct yellow diamond necklace by GIA alumna Anna Hu.
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Year-end forecasts remain mixed, but a strengthening U.S. economy and good store/cyber traffic have been encouraging in the early holiday season.
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The merging of the two largest Canadian diamond mines has given new owner Dominion Diamond Corp. the opportunity to relaunch the CanadaMark brand.
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