(IDEX Online) - Police say $500,000 of diamonds were stolen from a car by knife-wielding robbers in Inglewood, California, USA.Video of the incident appears to show a suspect climb through a passenger window and grab a duffel bag.The victim's car was boxed in by one vehicle in front and another behind.Two suspects then drove off in a white car. Police say there were no reported injuries in the robbery, which happened on 23 February, across the road from Inglewood police station.