While the world anticipates the Olympic Games in Rio de Janeiro, Neiman Marcus is thinking ahead to the U.S. Open. The luxury retailer launches next week an exclusive, limited-edition tennis-inspired jewelry collection from Italian jewelry designer Marco Bicego, in advance of the U.S. Open which runs Aug. 29 – Sept. 11. Neiman’s says the playful collection includes a necklace, bracelets, earrings and a ring. Each tennis ball charm is hand-engraved in 18-karat yellow gold and studded with pavé diamonds. “These are the perfect pieces for an athlete or spectator, just in time for the U.S. Open,” said Larry Pelzel, divisional merchandise manager of precious jewelry at Neiman Marcus.