Cocktail Rings

Chopard created Angelina Jolie's 20-carat yellow diamond cocktail ring especially for the actress to wear with her Emanuel Ungaro couture gown at Cannes.

Charlize Theron

wore a darkened diamond and platinum flower cocktail ring with her florally-accented Dior gown, while attending John Galliano’s Dior haute couture show at Versailles.

At a Costume Institute gala at the Metropolitan Museum of Art, Renee Zellwegerpaired her Carolina Herrera dress with two spectacular sapphire Van Cleef & Arpels rings: one of 19 carats; the other 16.

Heroes

star Ali Larter glammed it up at the Emmys in a strapless Reem Acra gown and an enormous Neil Lane 12k diamond platinum ring.