Reuters - Thu, May 23, 2013 4:16 PM EDTCANNES (Reuters) - The Cannes film festival was hit by a second suspected jewelry heist on Thursday after a diamond necklace worth 2 million euros ($2.6 million) disappeared during a star-studded party, according to upmarket jeweler De Grisogono. Fawaz Gruosi, the founder of the Swiss firm, said the necklace was part of the company's 20th anniversary collection paraded by 20 models at the glitzy event at the Hotel Du Cap-Eden-Roc in Antibes outside Cannes on Tuesday night. Sharon Stone and Paris Hilton were among the guests. ... More »Cannes festival hit by second suspected jewelry theft