It's Giuliana Rancic!
It's E! News host and Giuliana & Bill star Giuliana Rancic! According to Celebrity Bride Guide, Giuliana's ring is a four-carat cushion-cut diamond ring by Graff and is worth approximately $100,000.
Many props to her hubby, Bill. Plus, we're sure their baby, Edward Duke, loves looking at the sparkler!
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Alissa Kombert is a photo editor at Wetpaint Entertainment. Follow her on Twitter @AyeKayArt.