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

CARRIE UNDERWOOD

The country star never spoke openly about her engagement ring from now-husband Mike Fisher (he proposed in December 2009), though a spokesperson from the Diamond Information Center estimated that the Johnathon Arndt stunner, which is anchored by a flawless yellow diamond, is worth $150,000.



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