Beyonce & Jay-Z(01 of37)
Open Image ModalIn 2007, Jay-Z gave Beyonce this 18-carat diamond set in platinum designed by Lorraine Schwartz which reportedly cost $5 million! (Getty photos)
Kate Middleton & Prince William(02 of37)
Open Image ModalFor their much anticipated engagement in November 2010, Prince William gave Kate Middleton the same ring that was worn by his mother, Princess Diana: an 18-carat blue sapphire, set in white gold. (Getty photos)
Miley Cyrus & Liam Hemsworth(03 of37)
Open Image ModalAnne Hathaway & Adam Shulman(04 of37)
Open Image ModalAdam Shulman presented the actress with a six-carat engagement ring in November 2011 which reportedly cost $150,000. (Pacific Coast News photo)
Keira Knightley & James Righton(05 of37)
Open Image ModalIn May 2012, Keira Knightley became engaged to boyfriend James Righton, and was presented with a brilliant diamond on a platinum band. (Getty photo)
Sienna Miller & Jude Law(06 of37)
Open Image ModalWhen the couple got back together in 2010, Sienna Miller put her vintage engagement ring (originally given to her in 2005) back on. (Getty photos)
Angelina Jolie & Brad Pitt(07 of37)
Open Image ModalThe couple officially announced their engagement in April 2012. Pitt designed an elegant ring with several (huge) diamonds. (Getty photos)
Jessica Biel & Justin Timberlake(08 of37)
Open Image ModalJ-T proposed to Jessica Biel during the 2011 holidays, presenting the actress with a square-cut diamond costing $130,000.(Getty photos)
Miranda Kerr & Orlando Bloom(09 of37)
Open Image ModalAs if this Aussie match could be any more perfect, Orlando Bloom gave the gorgeous Kerr an oval diamond reportedly worth $65,000 for their engagement in June 2010. (Getty photos)
Jennifer Garner & Ben Affleck(10 of37)
Open Image ModalWhen Ben Affleck got down on one knee in April 2004, he presented his now-baby mama Jennifer Garner a 4.5-carat diamond from Harry Winston. (Getty photos)
Gisele Bundchen & Tom Brady(11 of37)
Open Image ModalThe Quarterback gave the supermodel a four-carat diamond when he proposed in 2009. (Getty photos)
Natalie Portman & Benjamin Millepied(12 of37)
Open Image ModalThe actress became engaged to her "Black Swan" co-star in December 2010 and was given a round diamond surrounded by a circle of beautiful pavé diamonds. (Getty photos)
Rachel Bilson & Hayden Christensen(13 of37)
Open Image ModalThe celebrity couple became engaged in 2008 and Bilson received a two-carat diamond worth $30,000. (Getty photos)
Halle Berry & Olivier Martinez(14 of37)
Open Image ModalThe gorgeous actress accepted an emerald and gold Roberto Mazlo ring from boyfriend Olivier Martinez in March 2012. (Getty photos)
Jessica Simpson & Eric Johnson(15 of37)
Open Image ModalJessica Simpson received a gorgeous $100,000 ruby-and-diamond Neil Lane ring from Eric Johnson in 2010. (Getty photos)
Kate Beckinsale & Len Wiseman(16 of37)
Open Image ModalThe British beauty was proposed to by film director Len Wiseman in June 2003. She was given a horizontally set emerald-cut diamond by Neil Lane.
Carrie Underwood & Mike Fisher(17 of37)
Open Image ModalThe country singer received a custom Johnathon Arndt ring from Mike Fisher in December 2009. (Getty photos)
Jennifer Hudson & David Otunga(18 of37)
Open Image ModalDavid Otunga proposed to the singer in September 2008 with a five-carat, Neil Lane engagement ring. (Getty photos)
Reese Witherspoon & Jim Toth(19 of37)
Open Image ModalThe actress announced her engagement in December 2010 and showed off her four-carat ring. (Getty photos)
Kate Hudson & Matthew Bellamy(20 of37)
Open Image ModalKate Hudson announced her engagement on the Today show in April 2011, showing off her $200,000 emerald-cut diamond.(Getty photos)
Drew Barrymore & Will Kopelman(21 of37)
Open Image ModalThe couple announced their engagement in January 2012. Kopelman presented the actress with a four-carat diamond from Graff. (Getty photos)
Britney Spears & Jason Trawick(22 of37)
Open Image ModalBritney became engaged to Jason Trawick in December 2011, when he gave her a round diamond on a platinum band from Neil Lane. (Getty photos)
Katy Perry & Russell Brand(23 of37)
Open Image ModalIn 2010, Katy Perry received a five-carat pink diamond engagement ring by Cartier by then boyfriend Russell Brand. Perry then exchanged the ring for a three-carat Golconda diamond from India. (Getty photos)
Jennifer Lopez & Marc Anthony(24 of37)
Open Image ModalMarc Anthony's engagement ring to J-Lo in 2004 was an 8.5-carat diamond, reportedly costing $4 million. (Getty photos)
Katie Holmes & Tom Cruise(25 of37)
Open Image ModalIn 2005, Tom Cruise gave Katie Holmes a $250,000, five-carat, oval-cut solitaire set in rose gold. (Getty photos)
Heidi Klum & Seal(26 of37)
Open Image ModalThe singer proposed to Heidi Klum in December 2004 with a gorgeous 8.5-carat diamond. (Getty photos)
Jennifer Lopez & Ben Affleck(27 of37)
Open Image ModalBefore these two found new partners, J-Lo and Ben Affleck were engaged. Affleck presented the singer with a pink diamond, which Lopez showed off at the February 2003 premiere of 'Daredevil.' (Getty photos)
Michelle Williams & Heath Ledger(28 of37)
Open Image ModalAlthough their engagement wasn't highly publicized (and there is no information about William's engagement ring), it is clear that the stone that Ledger presented his baby-mama was huge, and quite pretty indeed. (Getty photos)
Emily Blunt & John Krasinski(29 of37)
Open Image ModalThe couple announced their engagement in 2009, when Krasinski presented Blunt with a three-carat Neil Lane, Edwardian diamond set in platinum. (Getty photos)
Sarah Michelle Gellar & Freddie Prinze Jr.(30 of37)
Open Image ModalThe couple announced their engagement in April 2001 and soon after Michelle Gellar was flashing her shiny, new ring. (Getty photos)
Scarlet Johansson & Ryan Reynolds(31 of37)
Open Image ModalReynolds proposed to the gorge actress in 2008 and soon after Johansson was spotted with a shiny three-carat diamond, estimated at $30,000. (Getty photos)
Julia Roberts & Danny Moder(32 of37)
Open Image ModalJulia Roberts with given a simple but gorgeous engagement ring by Danny Morder shortly before their marriage in July 2002. (Getty photos)
Camila Alves & Matthew McConaughey(33 of37)
Open Image ModalThe couple finally became engaged to longtime girlfriend (and mother to his now three children) in December 2011. (Getty photos)
Jessica Alba &(34 of37)
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