Every year, I look forward to the first week of February and my annual pilgrimage to Tucson, home to scores of events celebrating colored stones. The 10th edition of the high-end Centurion show kicked things off. Held at the ­Westin La Paloma located north of the city center, with the Santa Catalina Mountains as backdrop, the event offers the perfect mixture of prestige, elegance, and laid-back fun.In what is hopefully a great sign for the year ahead, the show was hopping! Exhibitors were fully booked with appointments, retailers placed orders…even the noise level was exciting. By the end of the show, the exhibitors had a happy look of exhaustion we haven’t seen in years. Congrats to Howard Hauben and his terrific team on a successful show. Centurion moves to the luxurious Phoenician Hotel in Phoenix next year (a little more than an hour away). We’ll miss the La Paloma, but we loo