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The world's most valuable diamonds: a look at the priciest gems ever sold

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Join us as we take a closer look at the most expensive diamonds ever sold, including the top 10 most valuable gems in history. From the Pink Star diamond to the Hope Diamond, we'll explore the factors that contribute to a diamond's value and the stories behind these one-of-a-kind gems. We'll also discuss diamonds that were expected to sell for high prices but ultimately did not, and examine the factors that may have contributed to their failure to sell. Get ready to be dazzled by the world's most valuable diamonds!

Diamonds have long been prized for their beauty and rarity, and have been coveted by cultures around the world for centuries. From ancient civilizations to modern-day consumers, diamonds have captivated people with their sparkling allure and enduring value.

But what makes a diamond truly valuable? While size, color, clarity, and cut are all important factors that contribute to a diamond's value, there are other, more intangible factors that contribute to a diamond's worth. For example, diamonds with a rich history or those with unique or unusual characteristics can command higher prices.

In this blog, we'll take a look at the most expensive diamonds ever sold, and explore the factors that have contributed to their value. From the largest diamond ever sold to the most famous diamonds in history, these gems are truly one-of-a-kind and have fetched astronomical prices at auction. We'll also discuss diamonds that were expected to sell for high prices but ultimately did not, and examine the factors that may have contributed to their failure to sell.

So, without further ado, let's dive into the world of the most expensive diamonds ever sold!

  • Pink Star Diamond: This 59.6 carat pink diamond was sold at auction in 2017 for a staggering $71.2 million, making it the most expensive diamond ever sold. The Pink Star is classified as a type IIa diamond, meaning it is extremely pure and has a high level of transparency. It was cut and polished over a period of two years and took on its signature pink hue after being subjected to intense heat and pressure.

  • Blue Moon Diamond: This 12.03 carat blue diamond was sold at auction in 2015 for $48.4 million, making it the second most expensive diamond ever sold. The Blue Moon is classified as a type IIb diamond, which means it contains a small amount of boron that gives it its unique blue color. It was discovered in 2014 in a mine in South Africa and was cut and polished by the Steinmetz Group.

  • Oppenheimer Blue Diamond: This 14.62 carat blue diamond was sold at auction in 2016 for $57.5 million, making it the third most expensive diamond ever sold. The Oppenheimer Blue is named after its previous owner, Sir Philip Oppenheimer, and is known for its rare and vibrant blue color. It is classified as a type IIb diamond and is believed to be one of the largest fancy vivid blue diamonds in the world.

  • Archduke Joseph Diamond: This 76.02 carat diamond was sold at auction in 2012 for $21.5 million, making it the fourth most expensive diamond ever sold. The Archduke Joseph is a D-color, internally flawless diamond, meaning it is virtually free of inclusions and has a high level of clarity. It was discovered in the early 20th century and was named after its previous owner, Archduke Joseph August of Austria.

  • Wittelsbach-Graff Diamond: This 31.06 carat blue diamond was sold at auction in 2011 for $23.4 million, making it the fifth most expensive diamond ever sold. The Wittelsbach-Graff is a type IIb diamond and is known for its rich blue color and excellent cut. It was discovered in the 17th century and has a storied history, having passed through the hands of several royal families over the centuries.

  • Hope Diamond: This 45.52 carat blue diamond was sold at auction in 1949 for $400,000, making it the sixth most expensive diamond ever sold. The Hope Diamond is known for its rich blue color and storied history, having been passed down through several royal families over the centuries. It is currently on display at the Smithsonian National Museum of Natural History in Washington, D.C.

  • Red Diamond: This 5.11 carat red diamond was sold at auction in 2002 for $3.4 million, making it the seventh most expensive diamond ever sold. The Red Diamond is one of the rarest diamonds in the world, with only a handful of red diamonds having been discovered. It is classified as a type IIb diamond and is known for its vibrant red color and excellent cut.

  • Aurelian Diamond: This 8.80 carat yellow diamond was sold at auction in 2006 for $6.5 million, making it the eighth most expensive diamond ever sold. The Aurelian is a type Ia diamond, which means it is extremely pure and has a high level of transparency. It was discovered in Brazil in the 19th century and is known for its rich yellow color and excellent cut.

  • Darya-i-Noor Diamond: This 182.00 carat diamond was sold at auction in 1995 for $3.3 million, making it the ninth most expensive diamond ever sold. The Darya-i-Noor is a pink diamond that is believed to have originated in India. It is known for its excellent cut and rich pink color, and is currently on display at the Central Bank of Iran in Tehran.

  • Yellow Tiffany Diamond: This 128.54 carat yellow diamond was sold at auction in 2011 for $6.1 million, making it the tenth most expensive diamond ever sold. The Yellow Tiffany is a type Ia diamond and is known for its excellent cut and vibrant yellow color. It was discovered in South Africa in 1878 and was cut and polished by the Tiffany & Co. jewelers.

These are just a few examples of the most expensive diamonds ever sold. As you can see, size, color, clarity, and cut are all important factors that contribute to a diamond's value, but other factors such as history and rarity can also play a role. Regardless of their price, these diamonds are truly one-of-a-kind and have captivated people with their sparkling beauty and enduring value.

Bonus!

Ready to sell your diamond and get the best price? Let Diamond Registry's global connections and expert team help you find the perfect buyer. Visit www.diamondregistry.com/sell-your-ring now to get started. And don't forget to use our trusted diamond price calculator to instantly check and calculate the value of your diamond per carat.

Want to check and calculate diamond per carat instantly? Go to DR’s diamond price calculator to know how. Reliable and trusted carat calculator in the diamond industry since!

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