MILEY CYRUS
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The young bride-to-be's "unusual" ring was exactly what her fiancé Liam Hemsworth wanted, jeweler Neil Lane told PEOPLE of the yellow-gold bauble, which boasts a 3.5-carat antique diamond.
DREW BARRYMORE
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"It's very fancy," Drew said of her 4-carat sparkler, hand-picked by now-husband Will Kopelman. "He's got lovely taste."
HALLE BERRY
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Not only does Halle's ring from Olivier Martinez feature a 4-carat emerald from a shuttered Colombian mine, but it also has "codes and symbols which you cannot see … only the person wearing it can," jeweler Robert Mazlo dished.
OLIVIA WILDE
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Live from New York, it's…the enormous engagement ring SNL star Jason Sudeikis gave to his actress fiancée. After nearly a month of keeping it under wraps, she finally gives us a good look at the very delicate band and oversize diamond.
BLAKE LIVELY
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Ryan Reynolds worked with Lorraine Schwartz to create Blake's finger bling, a flawless light pink diamond in an oval cut and set in pave-studded rose gold. Boyfriends, are you taking notes?
ANGELINA JOLIE
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Working on the sly, Brad Pitt selected a diamond of "the finest quality and cut it to an exact custom size and shape to suit Angelina's hand," jeweler Robert Procop said. He even had the large side diamonds cut specially to encircle her finger.
JENNIFER ANISTON
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Jennifer was impressed by Justin Theroux's proposal (a "covert operation") – and her ring. "I had no idea what I wanted," she told PEOPLE. "He just knows what I like."
JESSICA BIEL
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Justin Timberlake wanted a "personal" gem for his future wife, so he helped craft an 18-carat white-gold and black rhodium-plated ring that boasts a square diamond surrounded by round stones – and Jessica's birthstone (aquamarine) on either side.
SOFIA VERGARA
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The Modern Family star's sparkler from Nick Loeb wasn't too big or too small – it was just right. "It is perfection," she said. "If it was bigger, it would be too big to wear. But if it was smaller, I would not like."
AVRIL LAVIGNE
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Pear-shaped and plus-size describe Avril's custom ring from fiancé Chad Kroeger, a whopping 14-carat stunner with half-moon side stones and a platinum setting.
IT'S YOUR TURN: SHOW OFF YOUR SPARKLER!
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Now that you've ogled the stars' rings, upload a shot of the rock you're rocking on your left finger here. Your bling could appear on PEOPLE.com!