Thames Valley Police is appealing for information after a robbery in Bletchley on Saturday afternoon.
A man entered F Hinds jewellers in the Brunel Centre at around 5.20pm and asked to see some 9ct gold wedding rings.
Whilst being shown the rings, the offender grabbed the pad of rings and in doing so scratched the victim, a woman aged in her twenties.
He ran off in the direction of Sainsbury’s.
He is described as white, aged in his late twenties to early thirties, 6ft 2ins and of slim build.
He was wearing a faded blue baseball cap, a blue or grey hooded top and blue jeans.
If you have any information about the incident call the 24-hour Thames Valley Police enquiry centre on 101.