Cartier will take center stage on November 16 when the Denver Art Museum opens an exhibition featuring 250 masterful works from the brand over the past century. Many of the pieces are on loan from the Cartier Collection, which comprises more than 1,500 culturally and historically significant Cartier designs, from gem-encrusted tiaras, necklaces, rings, and bracelets to watches and the company’s famous Mystery Clocks. Among the items on exhibit are an elaborate crocodile necklace made with gold, diamonds, emera…