In 2014, the 5.5-carat Ocean Dream sold for about $8.5 million; in May 2026 the same blue-green diamond, the largest of its kind known, sold at Christieβs Geneva for $17.3 million, roughly double
Source: Times of India
Category: General
Region: General
Published: October 31, 2026 at 11:29
π Summary
Ocean Dream, a unique blue-green diamond weighing 5.50 carats, was auctioned at Christie's Geneva for $17.3 million. This diamond, initially sold in 2014 for approximately $8.5 million, experienced a significant increase in value. Its distinct colouring results from natural radiation exposure during its geological formation. Notably, the Ocean Dream was previously showcased at the Smithsonian National Museum of Natural History in 2003.