The queen’s diamond has never changed hands, but in 2022, a smaller pink diamond from the Williamson mine set records when it was auctioned for $57.7 million, or about $5.2 million a carat. The ...

"I wasn't involved in the ring design at all. Kevin did it all himself," she tells PEOPLE. "It's gorgeous. I couldn't love it more! It's a vintage diamond cut from the 1930s for Cartier and it's ...