COMINGS AND GOINGS >>?Hannah Connorton (pictured) has joined JCK Events as a retailer account manager for LUXURY Las Vegas and LUXURY Privé. She was most recently a senior editor for National Jeweler.   >>?Charles & Colvard, the moissanite manufacturer and seller, has sold the main assets of its Lulu Avenue direct-selling business to Yanbal USA. >>?Stacie Orloff, who served as president of Miami Beach, Fla.–based watch brand Bell & Ross for seven years, has left the company. Carlos Rosillo, cofounder of the brand, will take over as president. Kirk Aronson has been named vice president of sales for North America. He was most recently with TAG Heuer. >>?Cartier North America has promoted Kiyo Taga-Witkin to associate vice president of communications. She has been with the company since 2010 and was