From Kate Middleton's royal sapphire to Kim Kardashian's massive rock, get all the details on the star's stunning sparklers
"He didn't even ask my friends," designer Conrad admitted of law student William Tell, who proposed in 2013 with a $55,000 3-carat four-prong round solitaire on a yellow gold band. "He said . . . 'I know what you love.'"
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