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Top 10 most expensive diamonds in the world

Diamonds have long been the embodiment of luxury, nobility and are indispensable jewelry for the upper class. In the article below, let's explore the 10 most expensive diamonds in the world that belong to royalty or successful businessmen.

1. Koh-I-Noor: priceless

The Koh-i-Noor diamond, also known as the Koh-i-Nur or Kūh-e Nūr, is one of the largest and most famous diamonds in the world. Dating back to the 12th century in southern India, this diamond owes its name to 'Mountain of Light' due to its incredible size - originally 186 carats (now 105.6). . Having gone through many male owners, the Koh-i-Noor now resides in the British Crown Jewels.

The Queen, although impressed with the size, requested that the diamond be refinished to increase its sparkle. The process took 450 hours to complete, transforming the Koh-i-Noor into a sparkling stone with a brilliant oval cut, reducing its weight to 105.6 carats. Currently, it is part of the British Crown Jewels and graces the crown of Queen Elizabeth the Queen Mother.

Discover the crown and Koh-i-Noor now in the Jewel House at the Tower of London.
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2. Cullinan: $400 million

The Cullinan diamond, discovered near Pretoria in South Africa in 1905, weighs 3,106 carats and measures 10.1 x 6.35 x 5.9 cm. Historically, it became the world's most famous diamond, gifted to King Edward VII in 1907. Transported to Amsterdam to be cut, they created nine large stones known as Cullinan I-IX. Cullinan I and II later adorned the Sovereign Crown and the Imperial State Crown. Both remain intact. Other diamonds are used for state and private purposes, creating a unique historical and cultural story.

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3. Sancy Diamond: priceless

The Sancy, a 55.2-carat pale yellow pear-shaped diamond, has a legendary history spanning more than 500 years. Believed to be from India, it was owned by many kings, queens and at least 15 European countries. Displayed at the Louvre Museum in Paris, it is one of the most famous historical gems. Despite its curse, the Sancy diamond is said to bestow invincibility on the wearer. Sold to Nicolas de Harley, Seigneur de Sancy, in 1978 for $1 million, the stone is worth enormous amounts today, selling for around $10 million.
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4. Centenary Diamond: $100 million

The Centenary diamond takes its name from the 100th anniversary of De Beers Incorporated Ltd. which took place on 11 March 1988. The Centenary rough diamond was discovered at the Premier diamond mine on 17 March. 7, 1986, but this information was revealed publicly after a special event commemorating De Beers. Cut and polished into a D-color diamond, weighing 273.85 carats, the Centenary diamond is a work of art with its unique shape and flawless clarity. This is the largest, faceted, D color, and internally and externally flawless diamond in the world.

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5. Hope Diamond: $350 million

In 1839, the blue Hope diamond was owned by Henry Philip Hope, one of the heirs to the banking company Hope & Co. Henry Philip Hope, a gem collector, left the diamond to his nephew Henry Thomas Hope. After changing hands many times, the diamond finally belonged to Pierre Cartier.

The Hope Diamond weighs 45.52 carats, is dark blue in color and is the largest diamond ever known. Pierre Cartier designed a fabulous setting for the stone, surrounded by 16 pear-shaped and cushion-shaped white diamonds, suspended from a chain with 45 white diamonds. The Hope Diamond was donated to the Smithsonian Institution in 1958 and is currently on display in the National Museum of Natural History.
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6. The Oppenheimer Blue Diamond: $57.5 million

The Oppenheimer Blue Diamond gets its name from Sir Philip Oppenheimer, who managed De Beers from 1929 to 2012. Mounted on the original Verdura 'Eight Blades' mount, the diamond weighs 14.71 carats. After the owner, Sir Philip Oppenheimer, passed away in 1995, the diamond went through many owners and was re-cut, polished and set as the centerpiece of a size 6 platinum ring, with a total weight 14.62 carats.

Oppenheimer Blue Diamond, now a rectangular cut emerald, weighing 14.62 carats, VVS1 Clarity. The vivid blue color accents a beautiful platinum ring with striking diamonds. The pure blue color, even and saturated, highlights the beauty of the Oppenheimer Blue Diamond, one of the unique natural wonders.
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7. Steinmetz Pink: $71.2 million

The Steinmetz Pink diamond has an oval shape, weighs 59.60 carats (100 carats rough), has a Fancy Vivid Pink color, and Internally Flawless (IF) clarity. This is the world's largest pink diamond, mined by De Beers in 1999 in South Africa. The diamond has undergone a highly technical polishing process and was introduced in 2003. Steinmetz Pink stands out with its vivid color, perfect transparency, and impressive size.

The diamond has a unique, oval cut pattern with a stepped crown and rows of brilliant pavers. It participated in an exhibition at the Smithsonian Institution and was mounted on a chain that made it famous. After changing owners many times and changing its name to Pink Star, this diamond was placed at Sotheby's and named Pink Dream.

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8. The Graff Pink Diamond: $46.2 million

Graff Pink diamonds are certainly among the rarest in the world, especially when exceeding 5 carats and having vivid color saturation. This is not only a beautiful diamond, but also a unique natural wonder that will be cherished for a long time. Classified as a Type IIa Diamond, Graff Pink is in the top 1 to 2 percent of diamonds for purity, according to the Gemological Institute of America. Its continued appeal is that it is set in a platinum ring with two beautiful shield-shaped stones.

Graff bought the 24.78-carat fancy deep pink diamond at auction for $46 million in 2010, making it the most expensive diamond in the world. Before putting it up for auction, Graff worked meticulously to remove 25 natural flaws on the diamond while still maintaining its beauty and symmetry. The diamond has been graded as 23.88 carats flawless vivid by GIA, enhancing its nobility.
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9. The Blue Moon of Josephine Diamond: $48.4 million

Although many famous and expensive diamonds come from ancient royal history, the unique Blue Moon appears more recently. In January 2014, Petra Diamonds discovered a 29.6-carat rough blue diamond, known as The Blue Moon of Josephine. Discovery at the Cullinan mine in South Africa yielded this exceptionally colored diamond. Sold to Cora International for $25.6 million, the diamond was then cared for and polished to a flawless 12.03-carat Fancy Vivid Blue. This is a rare diamond, combining high color and the best clarity.

The Blue Moon diamond eventually sold for $48.4 million, making Sotheby's and Cora International a staggering sum. Joseph Lau, Hong Kong billionaire, bought this diamond and named it after his 7-year-old daughter - Josephine. At more than $4 million per carat, The Blue Moon of Josephine Diamond is a precious work of natural art.
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10. The Orange Diamond: $35.5 million

Orange diamonds are on the list of the 10 most expensive diamonds in the world. Its unique orange color comes from the presence of nitrogen during diamond formation, giving it its yellow stone-like appearance. Called 'pumpkin diamonds', this stone has an unusual level of deep orange color, attracting the attention of lovers of emerald fun.

The color levels of orange diamonds are classified by GIA as Light Orange, Very Light Orange, Light Orange, Light Orange, Fancy Orange, Vivid Orange and Dark Fancy Orange. This Orange diamond belongs to the fancy dark color grade, which is the most desirable and most valuable grade. With a weight of 14.82 carats and VS1 clarity, this diamond broke records at auction at Christie's Geneva, fetching up to $35.5 million, or $2.4 million per piece. carat.

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