Cartier flashes its jewels from more than half-a-dozen boutiques in the city. Longtime favorites, such as the Trinity rings and Tank watches, have new competition for your attention in the Asian-inspired Baiser du Dragon jewelry and the colorful Délices de Goa collection. Métro: Tuileries, Concorde. Other location: 154 av. des Champs-Élysées, 8, Champs-Élysées, PHONE: 01-40-74-01-27; Métro: George V.