This photo provided by the Monaco Palace Sunday shows Prince Albert II of Monaco and Princess Charlene of Monaco cutting their wedding cake, Saturday. — AP MONACO — At her royal wedding, Britain's Kate Middleton donned an heirloom tiara charged with historical significance. Princess Charlene of Monaco opted for something much more personal, choosing a bold, asymmetrical creation in diamond and white gold that symbolizes the one-time Olympic swimmer's love for the sea. Made by French-German jeweler Lorenz Baumer, the “Diamond Foam” tiara in white gold and nearly 60 karats worth of diamonds evokes the spray thrown off a crashing wave. Thin strips of precision-cut diamonds arch up from behind the left ear and fan out in an almost punk-ish explosion at the temple. Large round cut diamonds, the largest weighing 8 karats, punctuate the ends of the sparkling arcs. “Princess Charlene is a swimmer and Monaco is this little contort on the Mediterranean, so the reference to the sea was something very personal for her and at the same time a symbol of the Monegasque people,” Baumer told The Associated Press in an interview. The princess wore the headpiece to the lavish multi-course gala dinner that capped the two-day-long festivities around Charlene's long-awaited marriage to Monaco's ruling prince, Albert II, the palace said Sunday.