The Van Wert Police Department says Karl Kahler Jr. was arrested after a nearly $9,000 diamond went missing at Laudick's Jewelry on Shannon Street. Police say they spotted Kahler's dark blue minivan while driving on Shannon Street and tried to pull him over but he kept going and exited on to U.S. 30. Eventually, state troopers got involved to help get the vehicle stopped. They found the diamond inside the van. Kahler was charged with felony three robbery and faces more charges. The Van Wert Sheriff's Office also helped in the investigation.