A rare 5.5-carat triangular-cut blue-green diamond known as “Ocean Dream” has sold for $17.3 million at a Christie’s auction in Geneva, setting a record for a stone of its kind, the auction house said.
The diamond, described as the largest fancy vivid blue-green diamond ever recorded, was discovered in Central Africa in the 1990s and far exceeded its pre-sale estimate of $9–13 million. Bidding lasted around 20 minutes, reflecting strong global interest in the rare gem, News.Az reports, citing CBS News.
Auction house officials said the buyer was a private client who chose to remain anonymous, while experts noted that demand for rare colored diamonds continues to grow among collectors worldwide.
The stone’s sale comes amid a series of high-profile diamond auctions in Geneva, where exceptionally rare colored gems have repeatedly achieved multi-million-dollar prices, including previous record-setting blue and pink diamonds sold in recent years.
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