Master jeweler Stephen Portier said the Louvre robbers might recut the stolen gems, which would significantly decrease their value.

The only camera monitoring the exterior wall of the Louvre where they broke in was pointing away from the first-floor balcony that led to Gallery of Apollo housing the jewels, she said. "We failed these jewels," she said, adding that no-one was protected from "brutal criminals - not even the Louvre".

The Louvre in Paris remains closed after a bold crown jewel heist stunned visitors, including retired FBI agent Harry Trombitas,

The French crown jewels robbed from the Louvre museum in Paris are likely lost forever, an art crime expert tells CBS News, even if the thieves are caught.

France's culture minister has told the National Assembly that the Louvre's security cameras were working during Sunday's infamous heist, raising further questions

Thieves on Sunday broke into the Louvre using a furniture lift to access the first floor, cut into display cases and seized eight pieces including a diamond encrusted brooch that belonged to Napoleon III’s wife Empress Eugénie,

Dozens of travelers from Maine were walking toward the Louvre's Apollo Gallery when suddenly, their tour group was forcefully pushed back.

The Louvre remained closed Monday, a day after historic jewels were stolen from the world’s most-visited museum in a daring daylight heist that prompted authorities to reassess security measures at cultural sites across France.