It is dated between 1930 and 1933. As with the Tiffany Diamond, the rare appearance of this necklace in public grants this red carpet Grammys moment an immediate place in the jewelry history books.

and a Tiffany & Co. ring ($2,675). But while most of her sparkle will set you back five figures, her BonBon Whims Heart Gumdrop Necklace ($158) is a comparative steal at under $200. In addition to ...