A teenage girl has been arrested following a robbery at a jewellers in Rundle Mall this morning.
About 11.30am on Thursday 12 January, a woman allegedly entered the jewellery store, threatened staff with a knife and stole a ring.
Staff were not physically injured during the robbery.
As a result of investigations, police this afternoon arrested and charged a 17-year-old girl from Salisbury with aggravated robbery. She was bailed to appear in the Adelaide Youth Court on 22 February.