Carrie Underwood wore $31 million in Johnathon Arndt diamonds on the red carpet at the Grammy Awards in Los Angeles Sunday.
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The former "American Idol" winner and country music star wore a necklace that featured 381 carats of oval, pear, marquise and round brilliant white diamonds from the 2013 Johnathon Arndt Collection, the Beverly Hills, Calif., jeweler said in a news release.
The loaner bauble must have been good luck: Underwood won the Grammy for Best Country Song for her hit "Blown Away."
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