There's no single "owner of the rarest diamond" as rarity depends on color, size, and history, but some top contenders for rarest/most famous include the Hope Diamond (Smithsonian), the Koh-i-Noor (British Crown Jewels), the Pink Star (private owner, sold for record price), and unique red diamonds, with ownership often changing or being public/private. The rarest types are often single-color, large stones like fancy reds or vivid blues, with the Hope Diamond being the most famous blue and the Pink Star a record-setting pink.
Top 10 Rarest Diamonds in the World💎
Currently set in the crown of Queen Elizabeth, the Kohinoor's brilliance and historical significance make it an unparalleled symbol of power and splendour. More than half a century ago the diamond was insured for $200 million, and some experts estimate its current price could be well over $500 million.
Anglo American owns 85% of De Beers Group, the world's leading diamond company. The remaining 15% is owned by the Government of the Republic of Botswana (GRB). De Beers Group and its partners produce around one third of the world's rough diamonds, by value.
As of 2024, De Beers owns and operates, solely or jointly, five diamond mines in Botswana. A long dispute has existed between the interests of De Beers and the San (Bushman) tribe.
Akon is a Muslim and has also alleged that he is a teetotaler. Akon owned a diamond mine in South Africa and denied the existence of blood diamonds (also known as "conflict diamonds") in a 2007 interview, saying: "I don't believe in conflict diamonds.
Key Takeaways. Taylor Swift's $550,000 engagement ring features an 8-carat antique cushion-cut diamond with intricate Victorian-inspired gold detailing. The couple's two-year relationship has been filled with mutual support, from football games to Swift's billion-dollar Eras Tour.
As diamonds age from 100 years to 120 years old and we move further away from the 20th century, these old cuts will not only become more scarce but also more valuable. As an example, jewelry from the 17th century and older is extremely valuable and rare.
Kohinoor is now part of the British Monarch, Queen Elizabeth. It is currently on public display in the Jewel House at the Tower of London, seen by millions of visitors each day. Kohinoor Diamond was ceded to Queen Victoria after the annexation of Punjab by the British in 1849.
Meghan Markle's jewelry collection includes several heirloom pieces from the late Princess of Wales. The Duchess of Sussex wore Diana's iconic "divorce ring" to her 2018 wedding reception, for example. She has since stepped out in earrings, bracelets, and necklaces that once belonged to her late mother-in-law.
Taylor Swift's engagement ring from Travis Kelce, featuring a large, antique cushion-cut diamond (likely 8-10 carats) in a vintage-style setting, is estimated by experts to cost anywhere from $500,000 to over $1 million, with many placing it around the $1 million mark, due to its size, quality (high color/clarity), and rare cut. The ring, designed by Kindred Lubeck of Artifex Fine Jewelry, has an estimated value reflecting the rare, antique nature of the central stone.
When she passed away in 2011, she was estimated to be worth around $600 million and $1 billion, thanks to her portfolio of jewelry, real estate, and perfume empire.
I3 diamond clarity represents the lowest grade of diamond clarity available.
As one of the most famous diamonds in the world, the Pink Star continues to be a symbol of opulence and rarity. Its current owners, Chow Tai Fook Enterprises, have yet to announce any plans to resell the diamond However, it remains a prized asset in their impressive collection of high-value gemstones.
TANZANITE: ONE THOUSAND TIMES RARER THAN A DIAMOND.
The Aquamarine name comes from the Latin word for seawater and is said to calm waves and keep sailors safe at sea. It is sometimes referred to as a poor man's diamond because of the pale color.
One of the main reasons for this concern is that diamond mines are not infinite resources – eventually, they will run out. As Gemological Institute of America research scientist Evan Smith says, “For every diamond you take out of the ground, there's one fewer to be found.”
Yes, Kim Kardashian is generally considered richer than Taylor Swift, though both are billionaires, with Kardashian often leading due to her successful businesses like SKIMS, while Swift's wealth comes from music, tours (like The Eras Tour), and films. Recent reports (late 2025) place Kardashian's net worth around $1.9 billion, slightly ahead of Swift's $1.6 billion, though these figures fluctuate.
Graff Diamonds executives told Forbes on Thursday that Trump paid full price for the ring — which reportedly retailed at $1.5 million — despite his claim in a 2005 New York Times interview that he got a $1 million discount in exchange for publicity.
Mariah Carey and James Packer
Mariah Carey and billionaire James Packer broke the record for most expensive celebrity engagement ring in 2016 with a whopping 35-carat, emerald-cut diamond.
The Oppenheimer Family and De Beers' continued dominance
Under their leadership, the company continued its monopoly, introducing the "Diamond Syndicate" to regulate diamond supply and ensure stable prices.
The Mir mine (Russian: Ми́р, IPA: [ˈmʲir]; lit. 'Peace'), also called the Mirny mine, is an open pit diamond mine located in Mirny, Sakha Republic, in the Siberian region of eastern Russia. It was the Soviet Union's first developed diamond mine, and became its largest after open-pit mining began in 1957.
In 2023, musician Amirror claimed she was among Akon's four wives, which reignited speculation about his family life.