THE EXOTIC
KEIRA KNIGHTLEY'S "priceless" diamond, sapphire, emerald and ruby collar was created by Bulgari in the 1960s for the Shah of Iran.

THE CLASSIC
JENNIFER ANISTON'S Bulgari 1930s double-strand diamond necklace weighs 194 carats.

SIMPLY BARE

Stars showed unexpected restraint, setting off flawless skin and elegant bone structure by leaving necks and d├ęcolletage unadorned. Many opted only for a bit of sparkle at the ear.

MERYL STREEP in $28,000 Fred Leighton diamond-and-enamel earrings.

JADA PINKETT SMITH in H. Stern sapphire-and-diamond earrings.

HILARY SWANK in her beloved cushion-cut diamond Chopard earrings.