The biggest diamond engagement ring in the world is more than just jewelry—it's a symbol of love, status, and unparalleled luxury. No matter if you're a jewelry enthusiast or simply curious about the most extravagant rings, this list will amaze you. The biggest diamond engagement ring in the world often belongs to celebrities, royalty, or billionaires who spare no expense. In this article, we’ll dig in to the top 12 biggest diamond engagement rings in the world, including their carat weights, histories, and jaw-dropping price tags.
1. Jackie Kennedy’s 40.42-Carat Marquise-Cut Diamond
Jackie Kennedy’s second engagement ring from Aristotle Onassis features a 40.42-carat marquise-cut diamond, known as the Lesotho III. This stunning ring was cut from a 601-carat rough diamond and designed by Harry Winston.
- Key details:
- Carat weight: 40.42 carats.
- Cut: Marquise.
- Estimated value: $20 million today.
For more about royal engagement rings, check out Jackie Kennedy’s legendary jewelry collection.
2. The Pink Star Diamond Ring (59.60 Carats)
The Pink Star Diamond Ring holds the record for the most expensive diamond ever sold at auction. This 59.60-carat fancy vivid pink diamond is a true marvel of nature.
- Key details:
- Carat weight: 59.60 carats.
- Color: Fancy vivid pink.
- Sold for: $71.2 million.
Learn more about the Pink Star Diamond’s auction history.
3. Elizabeth Taylor’s 33.19-Carat Krupp Diamond
Elizabeth Taylor’s iconic 33.19-carat Asscher-cut diamond, gifted by Richard Burton, remains one of the most famous engagement rings in history.
- Key details:
- Carat weight: 33.19 carats.
- Cut: Asscher.
- Estimated value: $8.8 million at auction.
Read about Elizabeth Taylor’s legendary jewelry.
4. Mariah Carey’s 35-Carat Emerald-Cut Diamond
Mariah Carey’s engagement ring from James Packer features a 35-carat emerald-cut diamond, one of the largest celebrity rings ever.
- Key details:
- Carat weight: 35 carats.
- Cut: Emerald.
- Estimated value: $10 million.
See more about Mariah Carey’s extravagant ring.
5. The Cullinan Diamond Ring (530.20 Carats)
The Cullinan Diamond Ring, featuring a 530.20-carat pear-shaped diamond, is the largest diamond ring in the world.
- Key details:
- Carat weight: 530.20 carats.
- Cut: Pear.
- Origin: Cut from the 3,106-carat Cullinan diamond.
Discover the history of the Cullinan diamond.
6. The Graff Pink Diamond Ring (24.78 Carats)
The Graff Pink Diamond Ring features a 24.78-carat emerald-cut pink diamond, once owned by Harry Winston.
- Key details:
- Carat weight: 24.78 carats.
- Color: Fancy intense pink.
- Sold for: $46 million.
Explore the Graff Pink Diamond’s journey.
7. The Eternal Pink Diamond Ring (10.57 Carats)
The Eternal Pink Diamond Ring, sold at Sotheby’s for $34.8 million, features a 10.57-carat fancy vivid purplish-pink diamond.
- Key details:
- Carat weight: 10.57 carats.
- Color: Fancy vivid purplish-pink.
- Clarity: Internally flawless.
Learn about the Eternal Pink Diamond’s auction.
8. Beyoncé’s 18-Carat Emerald-Cut Diamond
Jay-Z proposed to Beyoncé with an 18-carat emerald-cut diamond ring designed by Lorraine Schwartz.
- Key details:
- Carat weight: 18 carats.
- Cut: Emerald.
- Estimated value: $5 million.
Read more about Beyoncé’s iconic ring.
9. Paris Hilton’s 20-Carat Pear-Shaped Diamond
Paris Hilton’s engagement ring from Chris Zylka features a 20-carat pear-shaped diamond with a diamond halo.
- Key details:
- Carat weight: 20 carats.
- Cut: Pear.
- Estimated value: $2 million.
See Paris Hilton’s ring details.
10. Grace Kelly’s 10.47-Carat Emerald-Cut Diamond
Grace Kelly’s engagement ring from Prince Rainier III features a 10.47-carat emerald-cut diamond from Cartier.
- Key details:
- Carat weight: 10.47 carats.
- Cut: Emerald.
- Estimated value: $38.8 million today.
Explore Grace Kelly’s royal jewelry.
Final Thoughts
The biggest diamond engagement ring in the world is more than just a piece of jewelry—it’s a statement of love, wealth, and timeless elegance. From Jackie Kennedy’s 40.42-carat marquise-cut diamond to the Pink Star’s record-breaking sale, these rings redefine luxury. No matter if you're dreaming of your own big diamond or simply admiring these stunning pieces, the biggest diamond engagement ring in the world will always captivate and inspire.