Reese Witherspoon
Jim Toth presented the Water for Elephants actress with a 4-carat Ashoka cut diamond ring set on a pave diamond-and-platinum band, created by jeweler William Goldberg in December.
Natalie Portman
Fiance Benjamin Millepied worked with jeweler Jamie Wolf to create the Black Swan star's one-of-a-kind diamond-encrusted platinum ring, which features a conflict-free antique diamond.
Emily Maynard
Bachelor Brad Womack proposed to Maynard with a 3-carat cushion-cut ring by Neil Lane worth about $50,000. It features 263 round brilliant-cut diamonds and is set on a split shank band.
Katy Perry
Three months after they began dating, Russell Brand presented the singer with a 5-carat pink-diamond Cartier ring, but she didn't like it! She swapped it for a 3-carat Cartier stunner worth $120,000.
Khloe Kardashian
Two weeks before saying "I do" in September 2009, Lamar Odom gave the reality star a Vartan's Fine Jewelry 12.5-carat radiant-cut ring worth $850,000.
Carrie Underwood
Hockey player Mike Fisher codesigned the yellow-and-white 12-carat diamond ring worth about $800,000 with her favorite designer, Johnathon Arndt, before proposing in December 2009.
Kate Middleton
Prince William popped the question to his longtime love with the same 18-carat sapphire and diamond engagement ring that belonged to his late mother, Princess Diana.
Katherine Heigl
"It's ridiculously big," the actress told Cosmopolitan of her 3-carat, pear-cut diamond ring from hubby Josh Kelley. "I was like 'Sure, I'll marry you!'"
Bethenny Frankel
The reality star got a Kristen Farrell 6.5-carat pear-shaped ring worth about $150,000 from real estate beau Jason Hoppy in October 2009.
Javier Bardem
