The French premiere of “The Great Gatsby” isn’t the only high-profile event at the opening of the 66th annual Cannes Film Festival. Also making its debut this evening is Chopard’s decadent collection of 66 one-of-a-kind pieces, one for each year of the festival’s history. Jewelry made with pastel-colored gems like kunzite, paraiba tourmaline and mauve spinel plays a supporting role to diamond pieces. But the real showstopper is a choker and ring set (above) featuring poppy flowers fashioned with rubies, emeralds and tsavorites. Festivalgoers will get to view the collection up close on beguiling beauties on the red carpet, where the likes of Cara Delevingne and other A-listers will model it over the course of the festival.