LOS ANGELES, Dec. 27 (UPI) -- The Los Angeles County Sheriff's Department says it is holding an emerald estimated to be worth as much as $370 million while the stone's owner is determined. A department spokesman said the 850-pound gem will be in safekeeping until a federal judge determines who rightfully owns it. The "Bahia Emerald" was reported stolen in September from a secured vault in South El Monte, Calif. CNN reported the emerald has been at the center of a dispute between a California man who claimed ownership, a company with which he contracted to sell it and a...