Some high-profile couplings last — and others don’t — but diamonds last forever. Click through to check out the spectacular rocks that have graced some of Hollywood’s most famous hands, ranked from smallest to largest for your ogling pleasure...
36. Amy Adams: 1-carat
Darren Le Gallo proposed to the actress in 2008 with a 1-carat brilliant-cut diamond ring designed by Jean Dousset. After a lengthy seven-year engagement, the pair finally got married in May 2015.
35. Keira Knightley: 2-carat
Keira got married in the South of France on May 4, and she chose an understated yet decidedly different wedding band to symbolize her union with her rock star love. While her engagement ring reportedly featured a platinum band and a two-carat solitaire diamond, she apparently went for a simple yellow gold wedding band.
34. Miranda Kerr - 2.5 Carats
The 33-year-old supermodel announced her engagement to Snapchat co-founder and CEO Evan Spiegel with an Instagram pic on July 20, 2016, flaunting the brilliant sparkler, along with a cartoon version of Spiegel popping the question.
33. Pippa Middleton: 3-carat
Pippa's dazzling diamond is thought to be around three carats and is surrounded by a unique octagonal halo of smaller gems, creating an eye-catching design. The style is reminiscent of a vintage ring, giving it bags of character.
32. Lauren Conrad: 3-carat
The fashion designer and former MTV star received a stunning 3-carat round solitaire from boyfriend William Tell in 2013. The two tied the knot last fall during an intimate ceremony in California.
31. Nicole 'Snooki' Polizzi: 3.02-carat
The Jersey Shore star got engaged in early 2012 when Jionni LaValle proposed to Snooki with a 3.02-carat princess-cut diamond ring. Reportedly valued at $55,000, the ring includes a custom-built band adorned with 2-carats of diamonds. The pair later got married during a Great Gatsby-themed ceremony in New Jersey that aired on the final episode of Snooki & JWOWW.
30. Britney Spears: 3.5-carat
Former talent manager Jason Trawick proposed to the "Pretty Girls" singer in late 2011 with a 3.5-carat diamond in a beautiful platinum setting. When the duo split in early 2013, Britney reportedly returned the $90,000 ring.
29. Reese Witherspoon: 4-carat
The Academy Award-winning actress received a gorgeous 4-carat Ashoka-cut diamond ring set on a pavé diamond-and-platinum band from Hollywood agent Jim Toth in late 2010. The couple recently celebrated their fourth wedding anniversary.
28. Jennifer Garner: 4.5-carat
The actress married Ben Affleck in 2005, after he proposed to her with a 4.5-carat cushion-cut diamond. The estranged couple, parents to daughters Violet and Seraphina and son Samuel, announced they are divorcing just one day after their 10-year wedding anniversary.
27. Kylie Minogue
The Australian singer was spotted sporting a gorgeous diamond engagement ring at the NME Awards in February 2016 after getting engaged to British actor Joshua Sasse.
26. Christina Aguilera: 5-carat
Music executive Jordan Bratman proposed to the pop singer in 2005 with a 5-carat diamond and platinum engagement ring. The couple divorced five years later.
25. Katie Holmes: 5-carat
In 2005, Tom Cruise presented the actress with a 5-carat oval-shaped diamond, valued at approximately $275,000, at the top of the Eiffel Tower. The couple later divorced in 2012.
24. Mila Kunis: 5-carat
After nearly two years of dating, Ashton Kutcher proposed to his former That '70s Show co-star with a minimalist-style engagement ring -- but there's nothing minimal about that diamond! Estimated to be 5 carats, the ring is likely worth upwards of $260,000. The two wed during a secret ceremony in July 2015.
23. Kristin Cavallari: 5.2-carat
NFL quarterback Jay Cutler proposed to the former Laguna Beach star a second time in late 2011 (after breaking off their engagement months before) with a 5.2-carat diamond ring, reportedly worth over $125,000. The couple, who share three children together, announced that they were divorcing in April 2020 after 10 years together.
22. Olivia Wilde: 6-carat
SNL star Jason Sudeikis proposed to the actress in January 2013 with a unique ring — a 6-carat diamond surrounded by a halo of striking emeralds.
21. Jessica Biel: 6-carat
Justin Timberlake proposed to the actress over the holidays in 2011 with a 6-carat vintage-inspired ring adorned with elements of Jessica’s birthstone, aquamarine. Less than a year later, the two were married in a romantic Italian ceremony.
20. Meghan Markle: 6-carat
Meghan Markle's three-stone diamond engagement ring from Harry, Duke of Sussex, weighs approximately 6 carats and is estimated to cost upwards of $350,000. What's more, the ring also has profound personal significance to the couple.
19. Blake Lively: 7-carat
Ryan Reynolds gave the Age of Adaline actress a beautiful 7-carat pink oval diamond set in rose gold. The $2 million ring received a matching band when Blake and Ryan exchanged vows in the fall of 2012.
18. Kareena Kapoor Khan: 7-carat
Justifying the tag of a Nawab, he proposed her with a massive seven carat solitaire in a platinum band. Her ring costs around Rs 73 lakhs. Royalty at its best!
17. Eva Longoria
The Devious Maids producer announced her engagement to Mexican businessman Jose Antonio Baston in December 2015. The proposal took place in Dubai, where the pair was attending the Global Gift Foundation Gala, where Longoria was gifted a gorgeous ruby ring. The pair wed in Mexico in May 2016, and she's since taken to wearing two simple wedding bands rather than the ring.
16. Jennifer Aniston: 8-carat
Justin Theroux popped the question to the Friends alum back in August 2012 with an estimated 8-carat radiant-cut diamond. The actors officially tied the knot on Aug. 5, 2015, but divorced just two years later.
15. Heidi Klum: 10-carat
Singer Seal proposed to the supermodel inside an igloo in the Canadian Rockies with a striking 10-carat canary diamond engagement ring by Lorraine Schwartz. Their seven-year marriage ended in divorce in late 2012, however, and she later married Tokio Hotel's Tom Kaulitz in 2019.
14. Jenny McCarthy: 10-carat
New Kids on the Block singer Donnie Wahlberg proposed to McCarthy in April 2014 with a 10-carat ring featuring a massive yellow sapphire surrounded by diamonds and a diamond-studded white gold band. The couple wed in August 2014.
13. Iggy Azalea: 10.43-carat
Nick Young of the Los Angeles Lakers proposed to the Australian rapper in June 2015 with a 10.43-carat ring, valued at $500,000. Custom-designed by Swaggy P himself, the bling features an 8.15 yellow cushion-cut diamond surrounded by 2.28-carats of white diamonds. So fancy -- even if the relationship didn't last.
12. Kate Middleton: 12-carat
It's been several years since Kate Middleton and Prince William's engagement, but the stunning 12-carat oval sapphire engagement ring that marked the occasion remains a phenomenon. Surrounded by a whopping 14 diamonds, the iconic ring that once belonged to Prince William's late mother, Princess Diana, has a fascinating history that dates back a couple of centuries.
11. Hilary Duff: 14-carat
Hockey player Mike Comrie popped the question to Duff with a stunning 14-carat radiant cut diamond, worth an estimated $1 million. The couple were married in August 2010 and welcomed son Luca in March 2012, however they separated in 2014 and Duff officially filed for divorce in February 2015.
10. Avril Lavigne: 14-carat
Back in August 2012, Nickelback frontman Chad Kroeger popped the question to Avril with a 14-carat pear-shaped diamond ring. The Canadian crooners married a year later in the south of France. For their one-year anniversary, Chad reportedly gifted his wife with another diamond ring -- a 17-carat emerald cut! Avril announced their separation in September 2015.
9. Kim Kardashian West: 15-carat
Kanye West proposed to the stylish reality star in front of family and friends with a flawless 15-carat cushion-cut diamond ring, estimated to be worth more than the 20-carat ring Kim received from basketball player Kris Humphries in 2011. Kimye later exchanged vows in Florence, Italy, and the high-profile pair recently celebrated their first anniversary of marriage.
8. Victoria Beckham: 15-17 carats
When David Beckham first proposed to the former Spice Girl in 1998, he did so with a modest (by celebrity standards) 3-carat marquise-cut diamond on a yellow band. Since then, Victoria has upgraded to a collection of 14 engagement rings from the soccer star, including a pear-shaped diamond that is estimated to be between 15- and 17-carats.
7. Ciara: 16-carat
Russell Wilson proposed to his singer girlfriend in March 2016, gifting her a stunning 16-carat ring of pure perfection -- or more specifically, a cushion-cut diamond surrounded by trapezoid- and pear-shaped diamonds. The two wed in England in July 2016, with their wedding taking place in a castle.
6. Angelina Jolie: 16-carat
After dating for seven years, Brad Pitt proposed to Angelina with a unique 16-carat table-cut sparkler, which has an estimated value of $500,000. The duo later held their wedding ceremony at Chateau Miraval in France in 2014 but split just two years later.
5. Beyonce: 18-carat
Music mogul Jay Z popped the question to the Grammy Award-winning songstress with a Lorraine Schwartz-designed 18-carat sparkler valued at over $5 million. The power couple later exchanged vows during an intimate New York City ceremony in April 2008 and now have a three-year-old daughter, Blue Ivy.
4. Kate Middleton: 18-carat
Originally purchased for Princess Diana in 1981, Kate Middleton's engagement ring is now worth $500,000 and features a 12-carat sapphire surrounded by 14 diamonds -- perfectly fit for a princess! Proud parents to 22-month-old Prince George and newborn Princess Charlotte, Kate and Prince William recently celebrated their fourth wedding anniversary.
3. Paris Hilton: 24-carat
In 2005, Paris Hilton received a massive 24-carat canary diamond ring from Greek shipping heir and socialite Paris Latsis. The rock was valued at $4.7 million, but money doesn't buy love -- the same-named couple called off their wedding four months later.
2. Shilpa Shetty Kundra: 20-carat
Fitness queen, TV host and actress, Shilpa Shetty was gifted a gorgeous engagement ring by her now husband, Raj Kundra. The 20-carat solitaire is often caught on camera as the diva subtly flaunts the masterpiece.
1. Mariah Carey: 35-carat
Australian billionaire James Packer helped Carey land herself on the list for a second time in January 2016, proposing to her with a massive 35-carat diamond and platinum ring designed by Wilfredo Rosario.