A stunning and exceptionally rare blue-green diamond known as 'The Ocean Dream' has sold for US$17 million at a Christie's auction in Geneva, Switzerland. The 5.50-carat gem, described as the largest fancy vivid blue-green diamond ever offered at auction, far exceeded its pre-sale estimate of 7 to 10 million Swiss francs (approximately US$7.7 to US$11 million).
A Gem of Unparalleled Rarity
Christie's highlighted the diamond's extraordinary color saturation and size, noting that fancy vivid blue-green diamonds are among the rarest in the world. The stone's name evokes the deep, tranquil hues of the ocean, blending blue and green tones in a way that captivates collectors and gem enthusiasts alike.
Auction Highlights
The sale took place during Christie's prestigious Geneva Magnificent Jewels auction, which featured a selection of exceptional gemstones and jewelry pieces. 'The Ocean Dream' was the centerpiece of the event, drawing intense interest from bidders worldwide. The final price of US$17 million reflects the growing demand for unique colored diamonds as investment-grade assets.
Prior to the auction, the diamond was displayed at Christie's showroom in Geneva, where it attracted significant media attention. A Christie's spokesperson described the gem as 'a masterpiece of nature' and noted that its vivid color and flawless clarity make it a once-in-a-lifetime acquisition.
Market Trends
The sale of 'The Ocean Dream' underscores the enduring appeal of rare colored diamonds in the luxury market. In recent years, such gems have achieved record prices at auction, driven by wealthy collectors seeking alternative investments. Blue and green diamonds, in particular, are prized for their scarcity and aesthetic beauty.
Christie's did not disclose the identity of the buyer, who chose to remain anonymous. The auction house confirmed that the diamond was purchased by a private collector, adding to the mystique surrounding this exceptional gem.



