All diamonds can be expensive, but the most valuable diamonds in the world are a different kind of diamond. These gems are rich in history and have rich owners.
The Most Expensive Diamonds In the World
This article will focus on some of the most well-known diamonds in the world. Let’s first look at why these gemstones are so expensive.
Why are Diamonds So Expensive?
Diamonds’ physical properties are what gave them their name, adamas which means indestructible in ancient Greek. Diamonds rank at 10 on Mohs Scale of Hardness. They are almost impossible to crack or scratch.
Surprisingly diamonds aren’t all that common. They are actually one of the most popular precious stones.
However, gem-quality is only 30% of all diamonds mined. It is a labor-intensive and complicated process to extract diamonds. Before a rough diamond can be sold, it must first be cut and polished.
Market demand is another reason why diamonds are so expensive. De Beers Corporation developed advertising campaigns to persuade men to spend two months of their salary on diamond engagement rings. One of the most well-known diamond quotes was “A Diamond is Forever”.
19. Allnatt Diamond: $3.043 million
This Fancy Vivid Yellow diamond, 101.29 Carats, is named after Major Alfred Ernest Allnatt. He was an art collector and British businessman.
This unique diamond is believed to have come from South Africa’s De Beers Premier mine. Major Allnatt purchased the diamond in 1950 and asked Cartier to create a floral-shaped setting.
The largest yellow diamond in the world is. The cushion-cut gemstone, originally weighing 102.07 Carats, was sold by Christie’s Geneva for $3,043,496 USD at an auction in May 1996. It was originally graded Fancy Intense Yellow.
18. The Sancy Diamond: $6 Million
The 55.23 carats pale yellow diamond is originally a larger Balle de Flandres. The gemstone was given to Valentina Visconti as a dowry, and she married Louis I, Duke de Orleans. It has been owned several royals.
This historical gemstone was owned by King Manuel I of Portugal and Henry III of France. Henry IV, Henry VI, King James VI, Charles I, and James II also owned it. Henry III was bald, and covered it with a hat decorated with The Sancy Diamond.
Its name comes from Nicolas de Harlay, the Seigneur de Sancy who was a French diplomat.
William Waldorf Astor purchased The Sancy in 1906. The Astor family was the original owners of the diamond until 1978 when it was sold to The Louvre in Paris. Together with the Regent Diamond, the Sancy is on display in the Apollo Gallery.
17. Golden Jubilee Diamond $12 Million
The Golden Jubilee Diamond weighs in at 545.67 Carats and is 109.13g. It is a rare brown diamond with a golden hue.
It was discovered in South Africa’s Premier Mine in 1985. It was initially called “Unknown Brown”. Because of cracks in the interior, De Beers hired Gabriel Tolkowsky, a famous diamond cutter to cut it.
To work on the diamond, they built an underground vibration chamber. Two years later, the original gem stone of 755.50 carats had been reduced to 545.57 Carats.
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Henry Ho, a Thai businessman, bought the huge diamond. They presented the diamond to Princess Maha Chakri Sirindhorn as a token of appreciation for King Bhumibol’s 50th coronation anniversary. Illustration of the Golden Jubilee Diamond in 3D
16. The Heart of Eternity: $16 Million
The Heart of Eternity, a Fancy Vivid Blue Diamond that measures 27.64 Carats, is called the Heart of Eternity. It was discovered in South Africa’s Premier Mine, which is the world’s only major source of blue diamonds. It has a unique heart shape.
The Steinmetz Group cut the diamond and then sold it to the De Beers Group. The Millennium Dome diamond heist in London was planned for November 2000. The Heart of Eternity was among the targets. The Metropolitan Police foiled the plot.
It is not known who the current owner of this rare blue diamond was. There is a rumor Floyd Mayweather purchased the Heart of Eternity necklace to his ex-fiance Shantel.
15. Archduke Joseph Diamond: $21.5 million
The Archduke Joseph, a colorless, long-elongated, cushion-shaped diamond is one of the most valuable colorless diamonds that can be sold at auction. This impressive gemstone, named after Archduke Joseph August from Austria, was purchased by Molina Fine Jewelers in Phoenix.
The diamond was recut from its original 78.54 carats down to 76.45. The diamond was worn by Celine Dion in 2002 for a TV special.
Christie’s Geneva sold the Archduke Joseph Diamond to an unidentified bidder for $21.5 Million in November 2012.
14. The Perfect Pink: $23.17 Million
The Perfect Pink is a rare pink diamond that weighs 14.23 carats. It was also one of 18 pink diamonds at auction that weighed more than 10 carats. This was the only diamond ranked a Fancy-Intense Perfect Pink (GIA) among the 18 that were offered.
In 2010, the Perfect Pink Diamond was sold at Christie’s Hong Kong to an unidentified bidder for $23.17million. This was nearly 30% more than the upper estimate.
This diamond is mounted in rose gold or 18k gold and surrounded by two clear diamonds on either side.
13. Wittelsbach-Graff Diamond – $23.4 Million
The Wittelsbach, a 31.06 carat, deep blue, internally flawless diamond, was discovered in India’s Kollur Mine. The Wittelsbach Diamond was presented by Philip IV of Spain in 1664 to his daughter, Infanta Margarita Theresa. This was when she became engaged to Emperor Leopold I.
The diamond was given to the Wittelsbach family, rulers of House of Bavaria, in 1722 as part of a dowry. The Wittelsbach-Graff Diamond was purchased by Laurence Graff in 2008, for PS16.4million. It wasn’t perfect.
Graff later admitted that three of the diamond cutters had removed any flaws from the diamond. The stunning diamond was sold at Christie’s for $23.4 Million in 2010. However, it is now valued at $80 million. Before being recut and polished by Graff, the Wittelsbach Diamond – photo by Physolamuse, public domain via Wikimedia Commons
12. The Winston Blue Diamond: $23.8 Million
Harry Winston Inc. purchased this blue diamond at Christie’s Geneva Magnificent jewels sale in May 2014, for $23.8 million. The original name of the 13.22-carat diamond was The Blue. However, Nayla Hayek (CEO of Harry Winston) renamed it.
The Winston Blue is certified by the Geological Institute of America Fancy Vivid Blue. It has a pear-shaped shape. Two colorless, shield-shaped, colorless diamonds flank it.
11. The Orange Diamond: $35.5 Million
Pure orange diamonds are one of the most rare types of gemstone. They get their color from nitrogen elements. This pear-shaped stone, which weighs 14.82 Carats, is simply the Orange.
This extraordinary stone was rated the Fancy Vivid Orange largest diamond by the Gemological Institute of America at time of report and sold at Christie’s Geneva Magnificent jewels sale in 2013 for $35.5 million.
10. Princie: $39.3 Million
The 36.65-carat Princie Diamond was discovered in India’s Golconda Mines more than 300 years back. It is a Fancy-Intense Pink and takes on an orangey red hue when it is exposed to ultraviolet light.
Sayajirao Gaekwad is the name of the diamond. He was Sita Devi’s son and Maharanee in Baroda. The gemstone was sold to an anonymous telephone bidder at Christie’s New York in 2013. The most expensive diamonds on the planet
9. The Graff Pink Diamond: $46.2 Million
The Graff is a rare Vivid Pink diamond of 24.78 carats. It was purchased at the Sotheby’s Magnificent jewels sale in Geneva in 2010 by Laurence Graff.
Graff had 25 natural faults removed from his ring. The carat weight was also reduced from 24.78 to 23.88 carats. The result was a change in the color, from vivid to intense, and the clarity of the stone to internal flawless.
This emerald-cut diamond was previously owned by Harry Winston, an American jeweler. It is now mounted in a band.
8. The Blue Moon of Josephine: $48.4 Million
The flawless 12.03 carats of blue diamond was discovered in South Africa’s Cullinan mine in January 2014. It was sold by Sotheby’s in Geneva for $48.4 Million in November 2015.
This sale marked the first time that a diamond was sold for more than $4 million per carat. Only four of the 400 blue diamonds that the GIA graded were graded vivid blue.
The Blue Moon Diamond as it was initially known was renamed The Blue Moon of Josephine after the buyer, Joseph Lau Luen Hung, a Hong Kong businessman. The diamond was named after Josephine, his daughter.
7. The Oppenheimer Blue Diamond: $57.5 Million
This rare diamond was sold by The Oppenheimer Blue in May 2016. It set a new record for the highest ever paid at an auction. In April 2017, the Pink Star Diamond broke that record.
Sir Philip Oppenheimer, the previous owner of this 14.62 carat blue diamond, gave its name to it. British collector and diamond dealer, Sir Philip Oppenheimer was the racehorse’s owner.
A large rectangular-shaped diamond is set in a platinum band with an emerald cut. There is a colorless trapeze-shaped, diamond on either side. Illustration of the Oppenheimer Blue Diamond – 3D rendering
6. The Regent Diamond: $61 Million
The Regent Diamond is a symbol of Paris’s Louvre. Internally flawless, The Regent is a cushion-shaped gemstone of 140.64 carats. Rumor has it that the stunning diamond was discovered by a slave at the Kollur Mine, India in 1698.
The diamond was hidden in bandages he had made from a wound he had sustained in his leg. However, he was attacked by an English captain and killed. He sold the diamond to an Indian merchant. The diamond was sold to Thomas Pitt, British governor of Madras. It was then renamed the Pitt Diamond.
Philippe II Duke de Orleans, the French Regent bought the diamond in 1717. It was used to embellish the crown of Louis XV in 1722.
The Regent Diamond, now owned by France, has been displayed in the Louvre museum since 1887. It is the most beautiful and rarest diamond in the world. The Regent diamond – Tangopaso, Public domain via Wikimedia Commons
5. CTF Pink Star Diamond: $71.2 million
The Steinmetz Group purchased the rough stone that was discovered in South Africa’s De Beers diamond mines in 1999. Over 20 months, 8 polishers cut the 59.6-carats gemstone.
The Pink Star, formerly known as the Steinmetz Pink was renamed CTF Pink Star in honor of Dr. Henry Cheng Kar Shu, chairman and jeweler Chow Tai Fook.
The naturally colored diamond is internally flawless and graded Fancy Vivid pink.
4. De Beers Centenary Diamond: 100 millon
This massive 273.85 carat gem is the third largest ever found in South Africa’s Premier Mine. Only The Cullinan I-II diamonds are larger.
The Centenary Diamond was first mined in 1988 at 599 carats. It was then cut into a heart shape by Gabi Tolkowsky, his team, in a vibration-free chamber. It has a D color grade, which is the highest quality colorless diamond.
De Beers insured this gem for more than $100 million, despite not knowing the purchase price or who the diamond owner was.
3. Hope Diamond: $250 Million
Due to traces of Boron, this diamond is rare in its rare blue color. The gemstone, which weighed 45.52 carats and was mined at the Kollur Mine in India, is approximately 45.52 carats.
Although the date of discovery is not known, ownership records for this extraordinary diamond go back more than 400 years. Harry Winston, an American gem dealer, purchased The Hope Diamond in 1949 and donated it to the National Museum of Natural History of the United States, 1958.
Since then, the diamond has been displayed at The Smithsonian Institute’s museum. It is valued between $200 and $350 million.
The Hope Diamond may look familiar because it was the inspiration for The Heart of the Ocean, the Titanic movie. The Hope Diamond – National Museum of Natural History, CC BY -SA 3.0 via Wikimedia Contents
2. The Cullinan diamond: more than $400 million
The Cullinan diamond is the largest known gem-quality rough diamond. It now consists of 105 different cut stones. The original weight of the diamond, which was 3,106.75 carats in weight, was discovered in Cullinan in South Africa’s Premier No.2 mine. It was first discovered in 1905.
The rough diamond was named after Thomas Cullinan (the chairman of the mine), and it was divided into 9 major stones, totaling 1,055.89 Carats. There were also 96 unpolished elements, minor gemstones, and 96 unpolished elements.
At 530.4 carats, the Cullinan I is the largest gem. This is the largest clear-cut diamond in the world.
The Cullinan I, owned by Queen Elizabeth II, is mounted on the sovereign’s spectre. While the Cullinan I, which is part of the Imperial State Crown, is mounted on the Cullinan I. Both can be seen in The Jewel House at The Tower of London.
It is possible that the Cullinan Diamond would be worth more than $400 million if it were discovered today. This rare diamond is not yet valued. Cullinan diamonds are some of the most valuable diamonds in the world. 3D rendering illustration
1. Mountain of Light Diamond (Koh-I-Noor),: Priceless
The Koh-I-Noor, which is considered the most valuable diamond in the world. This colorless gemstone, which weighs 105.6 carats in weight, is now part the British Crown Jewels.
Millions of people visit the Tower of London every year to see the Koh-I-Noor Diamond, which is the central stone of Queen Mother’s crown. It is said that the Kohinoor diamond is cursed because many male owners have lost their power or died unexpectedly. Therefore, it has been worn only by women since 1849.
The gemstone is believed to have originated from India and was part of Mughal Peacock Throne. The gem was controversially given to Queen Victoria after the British annexed Punjab. Prince Albert had the diamond recut by Coster Diamonds to make an oval brilliant.
The Koh-i-Noor Diamond is considered priceless but the entire Crown Jewels are valued at over $1 billion. The Koh-I-Noor diamond is the most well-known and largest in the world. 3D rendering illustration
Conclusion: The Most Expensive Diamonds In the World
What makes a diamond so expensive? There are many factors that make a diamond expensive, such as the Carat and Cut, Clarity, and Color.
There are also other factors to consider, like where the diamond was extracted and its rarity. Then there are rare, extraordinary diamonds that can fetch millions of dollars.
We hope you find this article helpful, whether you are looking for an engagement ring or simply curious about the price of diamonds.
You might consider purchasing a less expensive gemstone, such as Zircon or Masonite. Both have a stunning sparkle.
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