Actress Zoe Saldana accepted this pear-shaped emerald engagement ring from Marco Perego. The stylish star more frequently wears a simple diamond wedding band, so catching a glimpse of this green bauble on the red carpet is quite a sighting!
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Kim Kardashian accepted this stunning 15-carat Lorraine Schwartz diamond ring from rapper Kanye West. He designed the ring himself and ensured the diamond was ethically obtained and certified -- proving he's both a romantic and a humanitarian.
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Jennifer Aniston's fiance, actor Justin Theroux, popped the question with a radiant cut, 8-carat diamond.
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In May 2013, journalist and Today Show host Savannah Guthrie announced that she was engaged to boyfriend of four years Mike Feldman.
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Actress Lindsay Price said "I do" to celebrity chef Curtis Stone in the summer of 2013. He proposed with an impressive princess-cut diamond the previous summer, when the couple's son was a few months old.
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Late night talk show host Jimmy Kimmel gave longtime girlfriend Molly McNearney this dazzling engagement ring in 2012. She's a writer in the comedy business.
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"Jersey Shore" star Jenni "J Woww" Farley received a 5-carat cushion cut diamond set with 2.5 carats of pink and white diamonds.
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Singer and former "American Idol" winner Kelly Clarkson received a canary diamond from fiance Brandon Blackstock, who's her manager's son.
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Kelly Osbourne's fiance Matthew Mosshart proposed in July 2013 with a round solitaire. She revealed the engagement -- and the rock -- on Instagram with her father, Ozzy Osbourne.
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When comedian Jason Sudeikis proposed to actress Olivia Wilde, he sealed the deal with a round diamond set in a ring of emeralds on a gold band.
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Former Playboy model Holly Madison wears a stunning ring from hubby Pasquale Rotella. He proposed in June 2013 on a Ferris wheel in Las Vegas.
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Actress Shenae Grimes accepted a proposal from British model/rocker boyfriend Josh Beech, who gave her a black diamond.
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Singer Joanna Newsom said "yes" to comedian Andy Samberg, her boyfriend of five years, when he proposed with a classic solitaire.
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Rapper Jay-Z put an 18-carat Lorraine Schwartz ring on Beyonce's finger back in 2008. The couple wed in a private ceremony at Jay-Z's New York apartment.
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Lucky lady Courtney Mazza got this blinging bauble from Mario Lopez. It's a 5-carat center stone set with brilliant diamonds.
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Singer Fergie's unique ring is a starburst design with a 4-carat center stone. She married actor Josh Duhamel on Jan. 10, 2009.
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Tough, yet girly, rocker Pink said "I do" to Carey Hart on a beach in Costa Rica in 2006. His token of love came in the form of a 5-carat diamond.
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Snooki, of "Jersey Shore" fame, may be known for her wild antics, but her princess-cut engagement ring from Jionni LaValle is pure class.
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No one could win over Alicia Keys quite like Swizz Beatz. He popped the question with this sparkler, then the two wed in Corsica in 2010.
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Silver screen diva Demi Moore and TV playboy Ashton Kutcher might've called it quits, but her 5-carat emerald-cut diamond ring still sparkles.
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Pop princess Britney Spears said yes when Jason Trawick proposed with this stunning Neil Lane ring. The 3-carat stone rests on a pave diamond band. The couple later broke off the engagement.
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Actress Drew Barrymore might've had a quiet, no-fuss wedding, but her 4-carat diamond from Will Kopelman demands plenty of attention!
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Anna Paquin's "True Blood" co-star Stephen Moyer proposed with a 1.5-carat rustic diamond. The couple wed on Aug. 21, 2010, in Malibu.
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Camila Alves, otherwise known as Mrs. Matthew McConaughey, said "I do" to the lanky Texan on June 9, 2012, in Austin. Her vintage-style ring boasts a rose-cut diamond with two side stones.
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Actress Amy Adams accepted a 1-carat sparkler from Darren Le Gallo. No wedding date yet, but we're sure to be enchanted by Amy's big day!
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Emily Blunt married funnyman John Krasinski in Como, Italy, on July 10, 2010. She proudly wears a 3-carat Neil Lane ring.
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Country superstar Carrie Underwood said her vows in south Georgia after accepting a 12-carat yellow and white diamond ring.
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When two rockers get engaged, it looks like this: an edgy 14-carat pear-shaped diamond set in platinum that Avril Lavigne received from Nickelback's Chad Kroeger.
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Jessica Biel's 6-carat, vintage-style ring is a product of Justin Timberlake's imagination. The actress says he didn't consult her but, rather, used his own style sense to select the rock and setting.
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Model and business maven Heidi Klum is divorced from Seal, but proudly wore this 10-carat canary diamond by Lorraine Schwartz for nearly seven years.
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Actress Jennifer Garner wed Ben Affleck in a private ceremony in the Caribbean in 2005. He proposed with a 7-carat diamond ring.
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Entertainment reporter Giuliana Rancic married businessman Bill Rancic in 2007. She wears a 4-carat cushion-cut diamond ring.
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Singer and designer Jessica Simpson has yet to set a date with fiance Eric Johnson, but she proudly sports this diamond and ruby ring.
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Gwyneth Paltrow's minimalist style is reflected in her engagement ring from rocker Chris Martin. The Asscher-cut diamond rests within a micro-pave halo and on a slim band.
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Kate Hudson's engagement ring from Chris Bellamy is a knuckle-buckling 9-carat emerald-cut diamond with two baguettes.
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Actress Kate Bosworth's ring is a square-cut diamond from fiance Michael Polish.
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Businesswoman Ivanka Trump wears a 5-carat cushion-cut stone from her own jewelry line. The lucky guy? New York Observer owner Jared Kushner.
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Actress Hilary Duff received this 14-carat radiant-cut diamond from hockey player Mike Comrie. The couple wed in August 2010 in Santa Barbara.
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Kate Middleton wears one of the most recognizable rings in the world on her left finger. Prince William proposed with his mother's 18-carat sapphire surrounded by 14 diamonds. The duchess also wears a wedding band made from Welsh gold.
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Singer/actress Jennifer Hudson hasn't set a wedding date with fiance David Otunga yet, but in the meantime, she's rocking this 5-carat ring in two pave diamond halos from Neil Lane.
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French actor Olivier Martinez proposed to actress Halle Berry with this 4-carat emerald set in yellow gold.
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Isla Fisher said "I do" to Sacha Baron Cohen in Paris in 2010 and has been wearing this delicate ring ever since!
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Songstress Mariah Carey has a completely unique 17-carat, emerald-cut, pink diamond. The rock is set with 58 round diamonds framing it and 2 half-moon side stones.
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Tennis star Maria Sharapova ended her engagement to basketball player Sasha Vujacic, but she used to sport this pricey sparkler.
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Their courtship and marriage hasn't been without controversy, but the ring Eddie Cibrian gave Leann Rimes is perfectly gorgeous, weighing in at 5 carats. It's set in platinum and rose gold.
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Reality star Khloe Kardashian married Lamar Odom in September 2009. Her ring, designed by Vartan, is a 12.5-carat radiant-cut diamond.
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Actress Katherine Heigl accepted a 3-carat pear-shaped diamond from Josh Kelley. The couple had a December 2007 wedding in Utah.
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Kim Kardashian's marriage to Chris Humphries might've lasted just 72 days, but the 20.5-total carat ring will sparkle forever.
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Actress and singer Miley Cyrus said yes to actor Liam Hemsworth when he proposed with a 3.5-carat cushion-cut ring.
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Fellow actors Maggie Gyllenhaal and Peter Sarsgaard had a low-key wedding in Italy in 2009. Maggie's diamond and platinum ring is antique.
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Reality mom Kendra Wilkinson married Hank Baskett at the Playboy Mansion in 2009. She wears a 2.25-carat princess-cut diamond as a token of his affection.
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Comedic actress/sloth lover Kristen Bell wears a 3-carat, emerald-cut, colored diamond. The ring was designed by Neil Lane, given by Dax Shepard.
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Reality star Kristen Cavallari's left hand is weighed down by an impressive 5.2-carat ring from Jay Cutler.
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Actress Natalie Portman met husband Benjamin Millepied on the set of "Black Swan." Ever eco- and socially conscious, Natalie wears an antique diamond set in conflict-free platinum.
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They're divorced now, but when Tom Cruise was couch-hopping wild for Katie Holmes, he popped the question with a 5-carat oval-shaped diamond on a rose gold and platinum band.
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Country superstars Miranda Lambert and Blake Shelton had a down-home Texas wedding in May 2011. Blake gave Miranda a 5-carat rock on a diamond eternity band.
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Reese Witherspoon wears a very unique 4-carat Ashoka-cut diamond on a pave diamond and platinum band. She married Jim Toth at her home in California in March 2011.
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Selma Blair split from fashion designer Jason Bleick in 2012. No word on the whereabouts of her rock set in pave diamonds.
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She may be one of Hollywood's quirkiest actresses, but Zooey Deschanel got a pretty classic ring from former husband, singer Ben Gibbard. The 3-carat Asscher-cut diamond is in a platinum setting designed by Neil Lane.
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When Vanessa Lachey married Nick, details of their Necker Island wedding were revealed in a TLC wedding special. The beautiful bride wears an Asscher-cut diamond set with trapezoid side stones in platinum.
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Country diva Shania Twain received this sparkling 3-carat emerald-cut diamond from Frederic Thiebaud. The couple wed in Puerto Rico.
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Aussie actress Nicole Kidman exchanged vows with country singer Keith Urban in Sydney. She pairs a Cartier wedding band with a 3-stone engagement ring.
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Fashion designer and former pop singer Victoria Beckham sports a 3-carat marquise diamond from her soccer sensation hubby David Beckham.
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That's an 8-carat cushion-cut stone on Sofia Vergara's left hand. The actress is engaged to businessman Nick Loeb.
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Actress Aisha Tyler is known for her clean, no-muss style, and that's reflected in the simple sparkler from attorney husband Jeff Tietjens.
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Singer and actress Katharine McPhee married Nick Cokas in 2008 in Beverly Hills. Her ring is comprised of a yellow center stone framed by pink pave diamonds.
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Actress Jessica Alba was given a 5-carat Asscher-cut diamond and swapped vows with Cash Warren back in 2008 in Los Angeles.
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Salma Hayek said "I do " on Valentine's Day 2009 in Paris. Francois-Henri Pinault proposed with a 5-carat oval diamond.
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Catherine Zeta-Jones married Michael Douglas at New York City's Plaza Hotel in November 2000. The Welsh actress wears a 10-carat center stone surrounded by 28 smaller diamonds.
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