COMINGS AND GOINGS>>?The American Gem Society Laboratories recently named Alethea Inns director of diamond grading. Inns is a graduate gemologist in residence, with pearls and jewelry business management credentials from GIA. She started her career with GIA's Gem Trade Laboratory in the diamond grading and gem identification departments.>>?Months after taking full control of Bulgari, luxury conglomerate LVMH tapped Fendi chair Michael Burke to head the Italian jeweler. Burke ran U.S. operations for Christian Dior and was president and CEO of Louis Vuitton North America from 1993