Francesco Trapani, CEO of Bulgari, is determined to bring the sparkle back to sales after the worst downturn in decades. He has been credited for turning the jewelry house his great grandfather founded into the third largest in the world. This week, CNBC's Christine Tan finds out from the leader how he grew the Bulgari empire from just five shops, his current recovery strategy, and how he plans to cash in on fast-growing luxury market, China.