Diamonds have long been coveted for their beauty and rarity, making them one of the most precious and expensive gemstones in the world. Several factors contribute to the high price of diamonds, including their cut, clarity, color, and carat weight. However, the most expensive diamonds go beyond these factors and are considered to be true treasures.
The most expensive diamond in the world is the Pink Star Diamond, previously known as the Steinmetz Pink Diamond. It is a 59.6-carat oval-cut diamond that was mined in South Africa in 1999. It was sold at an auction in 2017 for a record-breaking price of \$71.2 million to Hong Kong jewelry retailer Chow Tai Fook. The Pink Star Diamond has a fascinating history, with experts estimating that it took over 20 months to cut and polish the final product.
The Pink Star Diamond is not only the most expensive but also possesses several unique characteristics. It has a type IIa rating, which is the purest form of diamond with minimal nitrogen impurities. It also has a perfect rating of Internally Flawless (IF), meaning it has no visible inclusions, and its color is Fancy Vivid Pink, making it extremely rare. These factors, along with its large size, contribute to its high value.
Some other famous diamonds that are also highly expensive include:
- The Pink Star Diamond is a 59.6-carat oval-cut diamond.
- The Oppenheimer Blue Diamond is a 14.62-carat emerald-cut diamond.
- The Graff Pink Diamond is a 24.78-carat emerald-cut diamond known for its intense pink color and flawless clarity.
The estimated value of the Pink Star Diamond is approximately \$71.2 million, making it the most expensive diamond in the world. However, its value may increase or decrease depending on market trends and demand. Despite its high price, it is considered a valuable investment due to its rarity and uniqueness.
The Pink Star Diamond is currently owned by Hong Kong jewelry retailer Chow Tai Fook, who purchased it in 2017. The diamond has changed hands multiple times, with previous owners including famous diamond collector Robert Mouawad and diamond dealer Isaac Wolf.
The Pink Star Diamond is known for its mesmerizing beauty and rarity, making it a symbol of luxury and wealth. It is also famous for its record-breaking sale at auction, solidifying its status as the most expensive diamond in the world. With its stunning color, flawless clarity, and perfect cut, the Pink Star Diamond will continue to captivate and fascinate diamond enthusiasts for years to come.
Key Takeaways:
- The most expensive diamond in the world is valued at over \$71 million, making it one of the most valuable and sought-after gems in the world.
- The most expensive diamond is known for its impeccable cut, clarity, color, and carat weight, making it a rare and coveted gemstone.
- The most expensive diamond has a rich history and has passed through the hands of several famous owners, solidifying its status as a symbol of wealth and luxury.
What Makes a Diamond Expensive?

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Many factors contribute to the high price of a diamond. The most significant factor is the diamond’s rarity, which is determined by its carat weight, color, clarity, and cut. Generally, larger diamonds are rarer and, therefore, more expensive. Diamonds that are colorless and have minimal internal flaws also command a higher price. Additionally, diamonds with exceptional cuts that maximize brilliance are more valuable. The demand for diamonds and market conditions also play a role in determining their prices.
Pro-tip: When purchasing a diamond, it is important to focus on the 4Cs (carat weight, color, clarity, and cut) to ensure that you are getting the best value for your money.
What is the Most Expensive Diamond in the World?
The Pink Star holds the title of the most expensive diamond in the world, selling for a staggering \$71.2 million at an auction. This 59.6-carat diamond is internally flawless and is classified as a fancy, vivid pink diamond, making it incredibly rare. It was cut from a 132.5-carat rough diamond mined in Africa.
Other notable expensive diamonds include the Oppenheimer Blue, the Blue Moon, and the Cullinan. When considering purchasing diamonds, it is crucial to take into account factors such as the 4Cs (carat weight, color, clarity, and cut) and the diamond’s certification.
What is the History of the Most Expensive Diamond?
The history of the most expensive diamond is intriguing and captivating. This diamond, known as the Pink Star Diamond, was discovered in South Africa in 1999. In its rough form, it weighed 132.5 carats and underwent a meticulous cutting process to transform into a stunning 59.60-carat oval-cut fancy, vivid pink diamond. In 2017, it was sold at auction for a record-breaking price of $71.2 million, solidifying its place as the most expensive diamond ever sold. With a rich history of being owned by renowned collectors, this diamond holds a significant place in the world of rare and valuable gems.
What Are the Characteristics of the Most Expensive Diamond?

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The most expensive diamonds possess a combination of unique characteristics that contribute to their exceptional value. These include:
- Rarity: The most expensive diamonds are extremely scarce, with a limited supply available.
- Color: Diamonds with vivid and intense hues, such as blue or pink, are highly coveted and command high prices.
- Clarity: The absence of flaws, known as inclusions, significantly enhances a diamond’s value and desirability.
- Cut: Diamonds with expertly crafted cuts maximize brilliance and sparkle, making them even more desirable and valuable.
- Carat weight: Larger diamonds are rarer and thus demand higher prices, adding to their overall value.
Considering these factors can help determine the value and desirability of the most expensive diamonds available.
What is the Cut, Clarity, Color, and Carat of the Most Expensive Diamond?
The most expensive diamond is renowned for its exceptional cut, clarity, color, and carat weight. The cut refers to the quality of the diamond’s facets and how well it reflects light. Clarity measures the presence of internal flaws or inclusions. The color grade assesses the diamond’s lack of color, with the highest grade being colorless. The carat weight determines the size of the diamond. These factors greatly influence the value and rarity of a diamond.
For example, the Hope Diamond, known for its deep blue color and flawless clarity, commands a high price. Such diamonds are highly sought after by collectors and enthusiasts worldwide.
True story: In 2017, a rare pink diamond known as the Pink Star shattered records when it was sold at an auction for \$71.2 million. Weighing 59.60 carats, this flawless diamond is considered one of the most valuable and sought-after gemstones in the world. Its mesmerizing pink color, coupled with its impeccable clarity and cut, makes it a truly remarkable piece of jewelry. The Pink Star continues to captivate the world with its beauty and rarity, showcasing the enduring allure of exquisite diamonds.
What Are Some Other Famous Diamonds That Are Expensive?
When it comes to famous and expensive diamonds, there are several notable ones to mention. The Hope Diamond is one such example, known for its deep blue color and estimated value of over $250 million.
Another famous diamond is the Pink Star, a stunning pink diamond that sold for a record-breaking $71.2 million at an auction. The Cullinan Diamond, the largest rough diamond ever found, is also highly valued. Other notable diamonds include the Koh-i-Noor, the Regent Diamond, and the Blue Moon Diamond. These diamonds are not only expensive but also hold historical and cultural significance.
What is the Pink Star Diamond?
The Pink Star Diamond is world-renowned and highly valuable. Its stunning pink color is what makes it so rare and extraordinary. Weighing 59.60 carats, it is the largest fancy vivid pink diamond ever graded as internally flawless by the Gemological Institute of America. This exquisite gemstone was mined in Africa and underwent a two-year process of cutting and polishing. In 2017, it set a record-breaking price of $71.2 million at an auction. The Pink Star Diamond is truly a priceless and remarkable treasure in the world of diamonds. Fun fact: It was originally known as the Steinmetz Pink Diamond before being renamed.
What is the Oppenheimer Blue Diamond?
The Oppenheimer Blue Diamond is a renowned and valuable diamond known for its exceptional clarity and brilliance. This stunning blue diamond, weighing 14.62 carats and possessing a rare, fancy, vivid blue color, was named after its former owner, Sir Philip Oppenheimer.
In 2016, it was sold at an auction for a record-breaking price of $57.5 million. Collectors and enthusiasts highly seek after the Oppenheimer Blue Diamond due to its remarkable beauty and rarity. When considering investing in diamonds, it is important to keep in mind the 4Cs (cut, clarity, color, and carat weight) to ensure the best value for your purchase.
What is the Graff Pink Diamond?
The Graff Pink Diamond is a highly sought-after and valuable gemstone renowned for its exceptional beauty and unique pink color. This rare diamond, weighing 24.78 carats, is classified as a Type II diamond known for its exceptional clarity. It was discovered in the mines of South Africa and later acquired by renowned jeweler Laurence Graff. The Graff Pink Diamond is celebrated for its exquisite craftsmanship and remarkable rarity, making it one of the most famous and expensive diamonds in the world of luxury jewelry.
What is the Estimated Value of the Most Expensive Diamond?

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The estimated value of the most expensive diamond can vary depending on factors such as size, color, clarity, and cut. For example, the Pink Star diamond, a 59.60-carat fancy vivid pink diamond, was sold for approximately $71.2 million. The Blue Moon diamond, a 12.03-carat fancy vivid blue diamond, was sold for around $48.4 million. The estimated value of the most expensive diamond can potentially reach hundreds of millions of dollars. However, it is important to keep in mind that the actual selling price may differ from the estimated value due to market fluctuations and buyer interest.
Who Owns the Most Expensive Diamond?

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Determining the owner of the most expensive diamond is a complex process that involves thorough research and investigation. Due to the high value of such a gem, ownership is often kept private, making it challenging to identify the owner definitively. However, in cases where the diamond has been publicly sold or auctioned, it is possible to trace the ownership to the highest bidder.
For instance, the Pink Star diamond was sold to Chow Tai Fook, a jewelry retailer based in Hong Kong. Ultimately, the true owner of the most expensive diamond remains a closely guarded secret in the world of luxury gems.
What is the Most Expensive Diamond Known for?

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The Pink Star Diamond is known as the most expensive diamond for its rarity, beauty, and value. Weighing 59.60 carats and possessing a fancy vivid pink color, this exceptional gem is truly one-of-a-kind. It was sold for a record-breaking price of $71.2 million at an auction, standing out for its stunning color, flawless clarity, and extraordinary size. Owning such a diamond is a symbol of wealth and luxury.
For those in search of equally exquisite gems, they can discover other rare-colored diamonds, such as the Blue Moon Diamond or the Hope Diamond.




