Go for the global at JCK Las Vegas, visiting the best international manufacturers and jewelers without leaving Mandalay Bay. No passport required.We all know that Las Vegas is home to facsimiles of the world’s most touristed destinations: You can visit Paris, Venice, and even Treasure Island in a single day. But if you want a dose of the real thing, simply walk the aisles of the JCK and LUXURY shows at the Mandalay Bay Convention Center.Home to exhibitors from 32 different countries (including seven firms that have come all the way from the far-flung island nation of Mauritius!), the show offers a global cornucopia of jewelry. The World’s Fair section on level 1 is one way to trip around the world without leaving the show floor, but you’ll find international firms sprinkled throughout the fair. We’ve selected a few of our favorites on the following pages. Bon voyage!(Above) Veron