The piece is made of platinum and 673 diamonds with a total weight of 200 carats Police said the two men did not wear masks, paid to enter the museum and were clearly seen on surveillance cameras in Thursday's heist. Key points and original sources are listed below.

• The piece is made of platinum and 673 diamonds with a total weight of 200 caratsS1

• Police said the two men did not wear masks, paid to enter the museum and were clearly seen on surveillance cameras in Thursday's heist.S2