Anton Stolyarov, the bridegroom, left, and Elena Mustafina, the bride, walk across a frozen road as they arrive for their wedding celebrations in Udachny, Sakha Republic, Russia, on Thursday, Dec. 12, 2013. Russia plans to maintain control of Mirny-based Alrosa, which produces a quarter of the world's diamonds by value and more rough diamonds than De Beers by carat. Photographer: Andrey Rudakov/Bloomberg via Getty Images