1. ShowsWhile connected devices and pricing dominated conversations in the watch halls at Baselworld, the jewelry hall at the Swiss show was noticeably quiet, as exhibitors bemoaned the slowdown in China and the standstill in the Russian economy. There was at least one good thing about the lack of crowds: plenty of elbow room at the showcases! Brands displayed chic earring jackets and front-to-back styles, fresh color combinations and stone shapes, big bib necklaces, and a bounty of one-of-a-kind pieces to appeal to everybody’s target client, the top 1 percent. On the heels of a quiet Hong Kong show, a slow Baselworld can only mean one thing: Better luck in Las Vegas.2. CelebritiesMore than 740 pieces of jewelry, art, and furniture once belonging to Lauren Bacall (left) went up for auction at the Allure of Lauren Bacall sale at Bonhams March 31 and April 1. The smoky-voiced actress, wh