Walnut Creek Police at California, United States, are looking for a man who walked into a jewellery store and ran off with a high priced diamond.

The incident happened on 12 October, at approximately 2:55pm (local time) when a man entered King’s Jewellers, 1501 N. California Boulevard, and asked to see a loose jewel, reports the Live Leak.

The man was handed the jewel and immediately ran out of the store and got inside the passenger side of a waiting vehicle. The diamond is worth $27,000.