Jessie J teamed her gothic lace gown with a black diamond ear cuff when she stepped out at the 2015 GRAMMYs. What could be more appropriate for the premiere of The Bling Ring than this glittering ...

On her, from left, Angela Vertin rings, starting at $3,000 (212-734-5652). Mia & Kompany diamond cuffs, $984 each, and eternity-band bracelet with diamonds $4,012 each, miaandkompany.com.