These gems have five Cs: cut, color, clarity, carats and celebrity! See the big bling worn by Hollywood's most engaging women
Credit: John Shearer/Getty; Inset: Michael Buckner/Getty
Updated: Tuesday Sep 04, 2012 | 07:00 PM EDT
By: Kate Hogan
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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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