Kate Middleton’s Favorite Jewelry
15 Pieces of Jewelry That Kate Middleton Wears on the Daily
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Cartier Ballon Bleu Watch
Kate started wearing her Cartier timepiece on her tour of Australia and New Zealand, and it's thought to have been a third wedding anniversary present from Prince William. It features a tiny sapphire which matches her engagement ring, and Kate wears it on most of her daytime engagements.