By Brecken Branstrator
The fine jewelry auction scene was busy this week, with Bonhams announcing that it will sell a collection from an Indian royal family in London this month and a 10.10-carat fancy vivid blue diamond selling for $31.8 million at Sotheby’s Hong Kong.

The Pure Earth nonprofit, meanwhile, is holding an online auction now through April 12 to raise awareness for the connection between artisanal gold mining and mercury.

There’s also been some shuffling around in the industry, as Cecilia Gardner announced she would step down as president and CEO of the Jewelers Vigilance Committee next year and the Jewelers Board of Trade named financial veteran Anthony Capuano as its president to succeed Dione Kenyon.

Meanwhile, one New York City jeweler will close its store this month as it moves to an online-only operation and Endless Jewelry gives fans the chance to see brand ambassador Jennifer Lopez live in Las Vegas.

See the week that was, 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.