By Michelle Graff
Big diamonds dominated the headlines this week, with Sotheby’s selling a 100-carat, internally flawless D color diamond for $22 million and two mining companies reporting big rough finds.

In addition, many headed down to New Orleans for American Gem Society Conclave 2015 while others were east-bound, for the first Vicenzaoro show in Dubai.

See it all, in The Week in Photos.

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Since 1906, National Jeweler has been the must-read news source for smart jewelry professionals--jewelry retailers, designers, buyers, manufacturers, and suppliers. From market analysis to emerging jewelry trends, we cover the important industry topics vital to the everyday success of jewelry professionals worldwide. National Jeweler delivers the most urgent jewelry news necessary for running your day-to-day jewelry business here, and via our daily e-newsletter, website and other specialty publications, such as "The State of the Majors." National Jeweler is published by Jewelers of America, the leading nonprofit jewelry association in the United States.