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

NATALIE PORTMAN

To align with Portman's earth-friendly ways, now-husband Benjamin Millepied called on former dancer pal and jewelry designer Jamie Wolf to create a ring made of conflict-free stones and recycled platinum for their December 2010 engagement.



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