A Rare Blue-Green Diamond Ring Sold for Over $17 M. At Christie’s Geneva

A rare 5.5-carat blue-green diamond ring, named Ocean Dream, sold for over $17 million at Christie’s Magnificent Jewels auction in Zurich on May 13, 2026. The triangular-cut stone, estimated at $9–12 million, is set in an 18-karat white gold band with pink and white diamonds. The buyer was an unnamed private client, and the ring took 20 minutes to sell. It had previously fetched nearly $10 million at Christie’s Geneva in 2014.