By Brecken Branstrator
Blue Nile opened its newest “webroom” in Virginia this week, giving it a physical presence in the state and requiring it collect sales tax there, while Alrosa started developing a new mining site and also uncovered another large rough diamond.

News also surfaced this week of notable stones going to auction. Joseph DuMouchelle announced it will put the ring Donald Trump used to propose to Marla Maples up for auction. Tiancheng sold a number of jewels from designer Kat Florence, including some of the largest gemstones ever sold at auction, to raise money for earthquake relief in Nepal.

National Jeweler and Jewelers of America also released the results of their latest survey, asking jewelers about e-commerce and platinum sales, while the Denver Broncos received their rings for winning Super Bowl 50.

See it all and more in this week’s photo slideshow.

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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.