10.47 carat Emerald-cut diamond
Price: $4.06 million
Grace Kelly’s whopping 10.47 carat emerald cut diamond engagement ring from Prince Rainier III of Monaco is undoubtedly stunning, however, the Prince had originally popped the question with a much more modest ring.
The breathtaking ring, which now has an estimated value of $4.3 million, was later became the her character’s engagement ring in the film High Society specifically because she was never supposed to take it off.
4. Paris Hilton
24-carat white Gold ring
Price: $4.7 million
Paris Hilton was given an engagement ring by Paris Latsis that was so big she said it hurt her hand to wear it. The ring was made out of 24-karat white gold and featured a rectangular diamond in the center between two triangular baguettes. After the couple broke up Paris Hilton auctioned the ring to help victims of Katrina and it is currently valued at $4.7 million.