TRUTH OR DARE

hen Wallis Simpson stepped out of Cartier’s London boutique in 1949, all eyes were on the now-famous diamond and onyx panther brooch she was wearing, featuring an enormous 152-carat sapphire—blue, because it matched her eyes—which was a gift from the duke. The duchess might have dominated much of the limelight in her day, but ultimately it was the panther that became forever etched as a symbol of Cartier into the minds of socialites and trendsetters all over the world. It became the accessory du jour among the world’s stylish elite, a title