Cartier leads at Sothebys

The Art Deco-inspired piece took almost 2,000 hours to create.

A Cartier bracelet featuring a flawless D-color 63.66-carat pear-shaped white diamond will be auctioned at Sotheby's Hong Kong with an estimate of $5.1m to $8.4m.

Also headlining is the Circle of Happiness jadeite bangle weighing 277.673 carats