COMINGS AND GOINGSSophie Stevens>>?Bonhams appointed Sophie Stevens as a jewelry specialist in its London office. She had been a specialist with Lucas Rarities in London and reviews editor at the Society of ­Jewellery Historians magazine Jewellery History Today.>>?The Indian Diamond and Colorstone Association has re-elected Mehul Shah of Shivani Gems as its 2014 president. Prakash Mehta of Interings will remain in his role as secretary. Nilesh Sheth of Nice Diamonds will step into the role of treasurer.>>?Swiss watch brand Armin Strom appointed Barrie Olsen to manage the company’s public relations in the United States. Olsen previously worked in marketing and PR at Patrizzi & Co. Auctioneers and Patek Philippe.>>?Hearts On Fire has promoted vice president of marketing Caryl Capeci to chief marketing officer. Capeci joined the Boston-based company in 2007.&g