Jessica Chastain Rocks Liz Taylor's Giant Gem

The Bulgari sapphire-and-diamond “sautoir” (with a 65-carat center stone!) used to belong to Liz; Richard Burton bought it for her when she turned 40. Hot damn.

CANNES, FRANCE – MAY 21: Jessica Chastain attends the ‘Cleopatra’ premiere during The 66th Annual Cannes Film Festival at The 60th Anniversary Theatre on May 21, 2013 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)