Expensive diamonds are some of the most coveted and valuable gems in the world. The best diamonds in the world are rare and possess unique qualities that make them highly sought after. Whether it’s their size, color, clarity, or history, these diamonds are considered some of the most valuable and exquisite gems in the world.
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While all diamonds are extracted from the ground, they are not all made equal. Diamonds have captivated gemologists and proceeded to break price records throughout the years. So, what are the diamond prices today? which diamonds are the most valuable? We’ve compiled a list of the top 5 most valuable diamonds ever.
In this article, we’ll take a closer look at some of the most expensive diamonds in the world, exploring their history, value, and what makes them so special. These diamonds are truly one-of-a-kind, and their stories are fascinating to behold.
1. The Koh-i-Noor (Unknown)
The famous Koh-I-Noor is at the top of our list of the world’s most valuable diamonds. The world’s most valuable diamond, weighing in at a whopping 105.6 carats, is oval in shape. The stone, which is shrouded in mystery and folklore, is said to have been mined in India in the 1300s. The stone was purchased by the United Kingdom in 1850, and Prince Albert had it cut from 186ct to 105.6ct in 1852 to improve its brightness and glitter. Mountain of Light and the Diamond of Babur are two names for the colorless oval-cut diamond.
In its history, the Koh-i-Noor has been associated with numerous legends and curses. Many believe that it brings bad luck to any male wearer but good fortune to female owners. The diamond has been part of the British Crown Jewels since it was acquired, and it continues to be a symbol of regal magnificence. Its current home is the Tower of London, where it is displayed among other priceless royal gems.
2. The Cullinan (up to $2 Billion)
The Cullinan is the world’s biggest gem-quality rough diamond, weighing an astounding 3,106.75ct. In 1905, it was discovered in Cullinan, South Africa, and given to King Edward VII. The Star of Africa raw diamond was cut into nine major stones, the biggest of which is the 530.2ct Cullinan I.
The Cullinan I, also known as the Great Star of Africa, is set in the head of the Sovereign’s Sceptre with Cross. The remaining stones from the Cullinan diamond were cut into smaller gems, including the Cullinan II, which is set in the Imperial State Crown. The Cullinan’s legacy lives on as a symbol of both natural wonder and royal heritage, captivating gem enthusiasts and historians alike.
3. The Hope Diamond ($200-250 Million)
The Hope Diamond, thought to have been found in India in the 1600s, was purchased by King Louis XIV in 1668. This 45.52 carat Fancy Dark Gray-Blue ancient cushion cut diamond was taken in 1791 during a crown jewels theft, but it was subsequently discovered in London in 1839. In 1949, Harry Winston bought the diamond and gave it to the Smithsonian Institution, drawing a large number of tourists. Due to the misery and tragedy that many of its former owners have endured, the stone is said to be cursed.
Despite its ominous reputation, the Hope Diamond remains one of the most studied and admired gemstones in history. Its deep blue color is a result of trace amounts of boron, giving it a unique hue. The diamond’s journey from royal possession to a celebrated museum exhibit has only added to its allure, making it a focal point for both jewelers and gem enthusiasts around the world.
4. The Centenary Diamond ($100 Million)
The Centenary Diamond weighed more than 500 carats as a raw diamond. It was eventually reshaped into a modified heart form and weighed 273.85ct. The reduction in carat weight, on the other hand, increased the color (D) and clarity (flawless) of this one-of-a-kind diamond. It took their highly-skilled staff 154 days to complete the re-cutting procedure.
The Centenary Diamond was unveiled in 1999 to mark De Beers’ centennial celebrations, showcasing cutting-edge craftsmanship and technological advancement in diamond cutting. Its dazzling sparkle and exceptional clarity make it a standout piece among the world’s most prestigious diamonds. This diamond continues to symbolize the pinnacle of diamond cutting artistry and remains a significant part of De Beers’ legacy.
5. The Pink Star ($71.2 Million)
The Pink Star, formerly known as the Steinmetz Pink, was discovered in South Africa in 1999 and is the world’s biggest Fancy Vivid Pink diamond. In 2017, Hong Kong-based Chow Tai Fook Enterprises won the Pink Star at a Sotheby’s auction through a telephone bid. CTF Pink Star was dubbed after the current Chow Tai Fook chairman’s late father. It was an internally perfect oval diamond weighing a massive 59.60ct.
The Pink Star’s remarkable color and size make it a true marvel in the world of colored diamonds. Its flawless pink hue is a result of rare geological conditions, making it a sought-after gem for collectors and investors. The Pink Star’s sale was one of the highest prices ever achieved at auction, reflecting its extraordinary value and the growing demand for rare and unique diamonds in the global market.
6. Williamson Pink Star – ($57.7 Million)
The Williamson Pink Star is an exceptionally rare pink diamond, weighing 11.15 carats with flawless clarity. Pink diamonds are among the rarest in the world, and those over 10 carats are almost unheard of. This diamond was expertly cut from a 32.32-carat rough stone, and its vivid color and perfection make it a truly unique gem. In 2022, the Williamson Pink Star was sold at a Sotheby’s auction in Hong Kong for an astonishing $57.7 million, setting a new record for the highest price per carat.
The diamond’s sale highlighted the growing demand for rare colored diamonds, making it one of the most valuable jewels ever sold at auction. Its stunning beauty and impeccable craftsmanship have made it a highly sought-after piece among collectors and investors. The Williamson Pink Star’s place in history as one of the most extraordinary diamonds is secured by its rarity and the remarkable price it commanded.
7. The Oppenheimer Blue Diamond – ($57.5 Million)
The Oppenheimer Blue Diamond is a breathtaking 14.62-carat blue diamond, celebrated for its striking color and exceptional clarity. Named after Sir Philip Oppenheimer, whose family was influential in the diamond industry, this diamond stands out as one of the rarest and most valuable blue diamonds in the world. Blue diamonds of this size and quality are incredibly scarce, making the Oppenheimer Blue a truly unique gem. In 2016, it was sold at a Geneva auction for a record-breaking $57.5 million, becoming the most expensive diamond ever sold at auction at that time.
The diamond’s deep blue hue, reminiscent of the ocean, paired with its near-flawless clarity, makes it a natural masterpiece. Its sale marked a significant moment in the history of diamonds, showcasing the allure and value of rare colored gems. The Oppenheimer Blue Diamond continues to be admired for its beauty, history, and the remarkable price it achieved, solidifying its status as one of the most coveted diamonds in the world.
8. The Graff Pink – $46 Million
The Graff Pink is a remarkable 24.78-carat diamond, renowned for its rare and vivid pink color. Originally owned by the legendary jeweler Harry Winston, this gem was sold at auction in 2010 for $46 million, setting a new record at the time for the most expensive single jewel ever sold. Classified as a Fancy Intense Pink with a VVS2 clarity rating, the Graff Pink is incredibly rare, with very few inclusions that add to its allure.
This diamond is not only celebrated for its vibrant color and size but also for its status as a record-setter. It holds the distinction of being the world’s largest square, an emerald-cut diamond with the highest color and clarity grades ever certified by the GIA. The Graff Pink’s remarkable quality and practically flawless condition make it one of the most desired diamonds in the world, ranking among the most costly jewels ever discovered.
Final Thoughts
What makes a diamond truly expensive? While the 4 Cs—Carat, Cut, Clarity, and Color—are crucial, other factors like the rarity, origin, and uniqueness of the diamond also play a significant role. These elements, combined with the craftsmanship involved, make certain diamonds worth millions, turning them into extraordinary treasures.
We hope this article has given you valuable insights into the world’s most expensive diamonds, whether you’re searching for an engagement ring or simply curious about how these gems acquire their hefty price tags. If a diamond is out of your price range, consider zircon or moissanite, which is an amazing option at a lower cost. In the end, whether it’s a rare diamond or a lovely substitute, the ultimate value of a jewel is the happiness it offers to its owner.
