By Michelle Graff
Sofia Vergara teaming with Kay Jewelers, De Beers getting into the secondhand diamond business and Sotheby’s putting an 8.41-carat internally flawless fancy vivid purple-pink up on the auction block--it’s all covered in this week’s slideshow.

Click through to see 11 photos recapping the week.

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Fine Jewelry Industry News

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.