17 Dazzling Star Sparklers

These gems have five Cs: cut, color, clarity, carats and celebrity! See the big bling worn by Hollywood's most engaging women

Credit: INF. Inset: Ian Gavan/Getty

Updated: Tuesday Sep 04, 2012 | 07:00 PM EDT By: Kate Hogan

SCARLETT JOHANSSON

Johansson is "very happy" to be engaged to journalist fiancé Romain Dauriac – and is likely just as happy about her extra-large ring. The bauble, which Dauriac presented to the actress when he proposed in August 2013, is a vintage Art Deco design.