According to the BBC, the thieves were armed with knives, a crowbar and a hammer and rode mopeds during the attack, which took place at around 5pm on Monday 20 May.
Members of the public attempted to stop the thieves as they left the store.
Moped gang rob jewellery shop on Maida Vale London just now, attacking passing pedestrians. pic.twitter.com/eYY4utYJ0I
— moj. (@MojAlHoseine) 20 May 2019
One person was arrested at the scene, two near Camden Market and another two in north west London. Metropolitan Police said the five men are being held on suspicion of robbery.