The robbery was found to have taken place when the Saudi princess returned to her large, plush Paris flat on Thursday morning for the first time since mid-August.
Thieves had escaped with some 30 Hermès bags worth €50,000, expensive jewellery including a Cartier watch worth €8,000 and haute couture fur coats.
Thieves entered the apartment in the upmarket avenue Georges V near the Champs-Elysées without forcing entry, a source close to the investigation told Le Parisien daily.
“Handprints were found on a trapdoor on the ceiling of the corridor,” the investigators said.
Police are waiting to question the 47-year old princess who has been hospitalised in a state of shock.
