Celebrity-Inspired Rings

Courtesy of Tiffany & Co.

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Nicole Richie

Courtesy Neil Lane, Giulio Marcocchi/Sipa Press

The Inspiration It’s no surprise that this stylish star had a hand in her ring design. “It was fun working with Nicole, I enjoyed her input,” says L.A. jeweler Neil Lane of collaborating with the House of Harlow designer on her 4-carat stunner from Joel Madden. “She wanted something beautiful but different to suit her personality.”

Look for A floating setting

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De Beers

Courtesy of De Beers

4.29-total-carat-weight diamond and pave diamonds in platinum, De Beers, $105,000; debeers.com.

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Jack Kelege

Courtesy of Jack Kelege

Pear-shaped diamond and pave diamonds in platinum, Jack Kelege, price upon request; jackkelege.com.

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Simon G.

Courtesy of Simon G.

1-carat round diamond with pave diamonds (.50-total-carat-weight) in 18kt white gold, Simon G, $2,090 (not including center stone); simongjewelry.com.

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Neil Lane

Courtesy of Neil Lane

8-carat heart-shaped diamond in platinum, Neil Lane, $420,000; neillanejewelry.com.

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Reese Witherspoon

Courtesy William Goldberg, Steve Granitz/WireImage

The Inspiration Witherspoon said “yes” to her Hollywood agent beau Jim Toth when he proposed with William Goldberg's 3.50-carat Ashoka diamond. How could she resist a ring this spectacular?

Look for A solitaire

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Vatch

Courtesy since1910.com

1.25-carat cushion-cut diamond set in 18kt white gold, Vatche, $2,200; since1910.com.

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Neil Lane

Courtesy of Neil Lane

5-carat marquise-cut diamond in platinum, Neil Lane, $175,000; neillanejewelry.com.

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Martin Katz

2-carat Asscher-cut diamond and micro-set diamonds in 18kt white gold, Martin Katz, price upon request; 866-956-7200.

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Jessica Simpson

Courtesy Neil Lane, Kevin Mazur/WireImage

The Inspiration “The ruby design for Jessica was perfection,” says Neil Lane, the celebrity jeweler behind Simpson’s engagement ring from Eric Johnson. “It’s a classic design with a twist because the side stones are pear-shaped. She loves it so much.”

Look for A ring with side stones

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Donna DiStefano Ltd.

Courtesy of Donna DiStefano

2-total-carat-weight diamonds in 18kt white gold, Donna Distefano Ltd., $15,000; donnadistefanoltd.com.

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Blue Nile

Courtesy Blue Nile

.30-carat brilliant-cut diamond and ruby ring in 18kt white gold, Blue Nile, $2,000; bluenile.com.

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Suzanne Felsen

Kenji Toma

1.37-carat brilliant-cut cognac diamond and .29-total-carat-weight marquise-cut diamonds in platinum, Suzanne Felsen, $13,575; suzannefelsen.com.

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Emily Blunt

Carlos Alvarez/Getty

The Inspiration The Office star John Krasinski had been dating The Young Victoria's Emily Blunt since 2008 when he proposed with a custom-designed Edwardian diamond and platinum ring. Though the low-key couple manage to keep their relationship under wraps, this 3-carat Neil Lane sparkler is impossible to miss.

Look for Vintage details

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Simon G.

Courtesy of Simon G.

Round diamond surrounded by pave diamonds (.31-total-carat-weight) in 18kt white gold, Simon G., price upon request; simongjewelry.com.

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Doyle & Doyle

Courtesy of Doyle & Doyle

.50-carat diamond in platinum, Doyle amp Doyle, $2,950; doyledoyle.com.

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Jacob & Co.

Courtesy of Jacob & Co.

2.09-carat round brilliant-cut diamond in 18kt white gold band, Jacob & Co., $85,700; jacobandcojewelry.com.

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Paul Morelli

Courtesy of Paul Morelli

3.5-carat brilliant-cut cognac diamond in 20kt pink gold, Paul Morelli, $58,500; paulmorelli.com.

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Amy Adams

Mike Lorrig/Artist Rep Inc.; WENN

The Inspiration Darren Legallo gift-wrapped his Jean Dousset 1-carat brilliant-cut diamond ring before proposing to Amy Adams last year. "Amy kept the wrapping paper," says Dousset.

Look for A halo ring

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Tiffany & Co.

Courtesy Tiffany's

1-carat brilliant-cut diamond with bead-set border in platinum, Tiffany amp Co., price upon request; tiffany.com.

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Roberto Coin

Courtesy of Roberto Coin

.50-carat diamond and .80-total-carat-weight diamonds in 18kt white gold, Roberto Coin, $8,400; 800-853-5958 for stores.

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Scott Kay

Kenji Toma

1-carat round-cut diamond and pave diamonds in platinum, Scott Kay, $4,720 (not including center stone); scottkay.com for stores.

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Tiffany & Co.

Courtesy of Tiffany & Co.

.64-total-carat-weight diamond in platinum, Tiffany & Co., $4,450; 800-526-0649 or tiffany.com.

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Mariah Carey

Mike Lorrig/Artist Rep Inc.; Jen Lowery/SplashNewsOnline.com

The Inspiration The 10.02-carat diamond on Mariah Carey's Jacob Arabo engagement ring is in her preferred hue: pink. Nick Cannon's reaction when he saw it completed? He was so happy, he jumped up and down.

Look for A colorful stone

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Jacob & Co.

Courtesy of Jacob & Co.

9.78-carat radiant-cut diamond and pave diamonds (1.50-total-carat-weight) in platinum and yellow gold, Jacob & Co., $105,000; jacobandcojewelry.com.

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Neil Lane

Courtesy of Neil Lane

11.5-carat round brilliant-cut diamond with pave diamonds (.5-total-carat-weight) in platinum, Neil Lane, $380,000; neillanejewelry.com.

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Tiffany & Co.

Courtesy of Tiffany & Co.

1.90-carat green tourmaline and diamonds in platinum, Tiffany amp Co., $7,650; tiffany.com.

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Jacob & Co.

Courtesy of Jacob & Co.

12.20-carat yellow diamond and 2.25-total-carat-weight pink and white diamonds in 18kt white gold, $4,000,000; jacobandco.com.

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Portia de Rossi

Mike Lorrig/Artist Rep Inc.; Howard Wise/JPI

The Inspiration Ellen DeGeneres popped the question with a 3-carat Neil Lane marquise diamond ring while she and de Rossi were tending to their pet goldfish. De Rossi also wore Neil Lane bracelets on the big day.

Look for An east west setting

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Tiffany & Co.

Kenji Toma

2.39-carat marquise-cut diamond and pave diamonds in platinum, Tiffany & Co., $75,500; 800-526-0649.

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Mauboussin

Courtesy of Mauboussin

Oval-shaped diamond and pave diamonds in white gold, Mauboussin, price upon request; mauboussin.com.

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Suzanne Felsen

Ellen McDermott

1.16-total-carat-weight marquise-cut diamonds in platinum, Suzanne Felsen, $10,500; 310-315-1972.

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Vera Wang

Ellen McDermott

1.5-carat emerald-cut diamond and 2.72-total-carat-weight baguettes in platinum, Vera Wang, $23,550; Bergdorf Goodman, 888-774-2424.

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Mena Suvari

Mike Lorrig/Artist Rep Inc.; Jen Lowery/SplashNewsOnline.com

The Inspiration Mena Suvari's fiancé, music producer Simone Sestito, designed the actress's 8.6-carat engagement ring.

Look for A three stone ring

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Tiffany & Co.

Courtesy of Tiffany & Co

1.5-total-carat-weight Lucida-cut diamonds in platinum, Tiffany & Co., $33,800; tiffany.com.

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Mauboussin

Courtesy of Mauboussin

Emerald-cut diamond and baguette diamonds in white gold, Mauboussin, price upon request; mauboussin.com.

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Gray & Davis

Courtesy of Gray & Davis

Approximately 5.5-6.0-total-carat-weight diamonds in platinum (circa 1905), Gray & Davis Ltd., $48,000; 212-719-4698.

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Tiffany & Co.

Courtesy of Tiffany & Co.

1-total-carat-weight emerald-cut diamonds in platinum, Tiffany & Co., $24,000; 800-526-0649 or tiffany.com.

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Celebrity-Inspired Rings

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Nicole Richie

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De Beers

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Jack Kelege

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Simon G.

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Neil Lane

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Reese Witherspoon

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Vatch

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Neil Lane

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Martin Katz

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Jessica Simpson

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Donna DiStefano Ltd.

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Blue Nile

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Suzanne Felsen

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Emily Blunt

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Simon G.

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Doyle & Doyle

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Jacob & Co.

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Paul Morelli

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Amy Adams

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Tiffany & Co.

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Roberto Coin

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Scott Kay

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Tiffany & Co.

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Mariah Carey

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Jacob & Co.

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Neil Lane