Prince William proposed to Kate Middleton with his late mother Princess Diana's 18-carat oval sapphire ring. Surrounded by 14 smaller white diamonds, the ring is made by Garrand and originally cost Prince Charles $65,000.
Reese Witherspoon wears a rare four-carat Ashoka diamond engagement ring by William Goldberg. Witherspoon's beau, Jim Toth, spent approximately $250,000 on the ring.
Witherspoon's antique 1920's style 4.5 carat asscher cut diamond engagement ring.