Top 10 Most Expensive Diamonds in the World 2024

Diamonds already are as expensive as they can be. But do you have any idea how really costly are the most expensive diamonds of the world? Well, the most expensive diamond, the Koh-i-Noor is priceless but other than that, world’s most expensive diamonds are as costly as up to 400 million dollars. Check out these top 10 most expensive diamonds in the world 2024 whose prices will leave your jaws wide open.

List of Most Expensive Diamonds in the World 2024

Find below the list of most expensive diamonds across the world:

Expensive Diamonds	Price	Owner
Koh-i-Noor  (105.6 carat)	Priceless	The British Crown
The Cullinan (3,106 carat)	Over $2 billion	Queen Elizabeth II
The Hope (45.52 carat)	$350 million	Smithsonian Institute
De Beers Centenary (273.85 carat)	$90 million	Unknown
CTF Pink Star (59.6 carat)	$71.2 million	Chow Tai Fook
The Regent (140.64 carat)	$61.4 million	The French state
Oppenheimer Blue (14.62 carat)	$50.6 million	Unknown
Blue Moon of Josephine (12.03 carat)	$48.4 million	Joseph Lau
Graff Pink (24.78 carat)	$46 million	Laurence Graff
The Princie (34.65 carat)	$40 million	Unknown

10 World’s Most Expensive Diamond 2024

Let us know a little bit about the top most expensive diamonds, their history, characteristics and who owns them now.

1. Koh-i-Noor

One of the largest cut diamonds in the world, the Koh-i-Noor is a colorless Oval brilliant cut diamond and is a part of the British Crown Jewels. Although, it is not possible to exactly determine when and where the diamond was found, it is believed by many that it was mined from the Kollur Mine on the south bank of the Krishna River in the Golconda (present-day Andhra Pradesh), India. Koh-i-Noor is currently set in the Crown of the Queen Mother and is the property of the British Crown.

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2. The Cullinan

The Cullinan Diamond is the largest gem-quality rough diamond to be ever found and was discovered at the Premier No.2 mine in Cullinan, South Africa. Mined on 26 January 1905, the diamond was named after Thomas Cullinan, the owner of the mine. The mine was bought by the Transvaal Colony government in 1907 and its Prime Minister Louis Botha presented the diamond to Edward VII, King of the United Kingdom. Near colorless, the Cullinan is privately owned by Elizabeth II since 1953, when she inherited it from her grandmother along with Cullinan II, the second largest diamond.

3. The Hope

Mined originally in the 17th century from the Kollur Mine in Guntur, India in the 17th century, the Hope is one of the most expensive diamonds of the world. Owing to trace amounts of boron, the diamond has a beautiful fancy dark greyish Blue hue. Known as one of the Golconda diamonds, the diamond Hope has had several owners, including Washington socialite Evalyn Walsh McLean. The diamond was purchased by New York gem merchant Harry Winston who donated it to the National Museum of Natural History in the United States in 1958, where it is on permanent exhibition.

4. De Beers Centenary

After Cullinan I and Cullinan II, the De Beers Centenary Diamond is the third-largest diamond mined from the Premier Mine. Rated as grade D color by the Gemological Institute of America, it is flawless both internally and externally. When presented for the Centennial Celebration of De Beers Consolidated Mines on 11 May 1988, the diamond got its name Centenary. The diamond is rated in color as grade D color by the Gemological Institute of America and its final unveiling was done in May 1991.

5. Pink Star

Formerly known as the Steinmetz Pink, the Pink Star was also mined by De Beers in 1999 in South Africa. It is rated in color as Fancy Vivid Pink and is the largest known diamond with this rating. The Pink Star is a very rare diamond which took around twenty months to be cut in the shape that it is now. It was unveiled in a public ceremony in Monaco on 29 May 2003 and was displayed as part of the Smithsonian’s “The Splendor of Diamonds” exhibit.

6. The Regent

The Regent Diamond is owned by the French state and on display in the Louvre. The history of this diamond is very interesting and as per a legend, it was discovered by an enslaved man in the Kollur mine near the Krishna River in India. The slave concealed the diamond in his leg wound which he tried to use as a ransom in return to be offered safe passage out of the country. The English sea captain to which the salve presented the diamond with the offer killed him and sold the diamond to the eminent Indian diamond merchant Jamchand.

7. Oppenheimer Blue

The Oppenheimer Blue, named after its previous owner Philip Oppenheimer, was at a time the most expensive jewel ever sold at an auction, until surpassed by the Pink Star diamond. Cut into a rectangle (emerald cut), the Oppenheimer Blue is the largest fancy vivid blue diamond classified. The diamond was sold at Christie’s in Geneva in May 2016 when two telephone bidders competed for it. The original identity of the current owner is unknown.

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8. Blue Moon of Josephine 

The Blue Moon of Josephine is a blue diamond discovered in South Africa in January 2014. The Hong Kong billionaire, and fugitive convicted felon, Joseph Lau Luen-hung bought the diamond and named it after his seven-year-old daughter, Josephine. Josephine is the largest cushion-shaped blue stone classified as fancy vivid and exhibits red phosphorescence when observed under ultraviolet light. According to the expert, this diamond is flawless and is among the top 10 expensive diamonds of the world.

9. Graff Pink 

Owned initially by the New York gem merchant Harry Winston, the Graff Pink is a rare pink diamond. The diamond was further sold to a private collector, who owned it up until 2010 and was again sold at an auction. The auction was held by Sotheby’s auctioneers in Geneva, Switzerland who mounted it in a beautiful platinum ring with two flanking shield-shaped diamonds. Emerald cut with rounded corners, the early history of the Graff Pink diamond is still unknown.

10. The Princie

Discovered 300 years ago in the Golconda, the Princie Diamond is a cushion-cut fancy intense pink diamond known for its beauty and astonishing color. After the Daria-i-Noor, the Noor-ol-Ain and the Pink Star, it is believed to be the fourth largest pink diamond in the world. The Princie originally belonged to the Nizam of Hyderabad and was unnamed at that time. In 1960, it was auctioned at Sotheby’s and was bought by the London branch of the jewelers Van Cleef & Arpels. It was then sent to their Paris store and earned the named “Princie” in honor of the fourteen-year-old son of Sita Devi, the Maharanee of Baroda.