Today's daring jewels heist took place at the Carlton Hotel, located on the Croisette promenade, and one of the most prestigious locations to stay in France.
The hold-up, which took place in broad daylight, was reportedly the work of one armed man who is said to have made off with the jewels in a briefcase.
In May, during the city's famous Film Festival, jewels worth €777,000 (£650,000) were stolen from the Novotel hotel room an employee of Swiss jewellers Chopard.
More top news
Buried here are the men of the 10th West Yorks, the unit that suffered the heaviest losses on the first day of the Somme.
A man has revealed how his grandfather escaped death during the Battle of the Somme when a bullet was deflected by a spoon and a Bible.
Marcus Willis, a current club coach ranked 772 in the world, came through six qualification matches to reach this year's tournament.