Most Expensive Diamonds Ever Sold
The Pink Star is the most expensive gem-quality diamond sold at auction. In 2017, it fetched $71.2 million in Hong Kong. The Oppenheimer Blue, a vivid blue diamond, sold for $57.5 million in 2016.
Why These Diamonds Are So Expensive
Price depends on rarity, color, clarity, carat weight, and provenance. Large stones with vivid color and top clarity are extremely scarce. Auction results and public records show that diamonds with strong color saturation command the highest premiums.
Famous Expensive Diamonds and Their Owners
The Hope Diamond, a 45.52 carat blue diamond, is housed at the Smithsonian Institution and valued at over $250 million. The Cullinan Diamond, the largest gem-quality rough diamond ever found, was cut into stones now part of the British Crown Jewels. More details on record-breaking diamonds are available from the Gemological Institute of America at https://www.gia.edu/diamond-grading-report.
