The Ocean Dream, a triangular cut fancy vivid blue-green diamond of 5.50 carats
The Ocean Dream, the largest fancy vivid blue-green diamond known to exist, will come up at Christie’s magnificent jewels sale in Geneva on May 13. Weighing 5.50 carats it is fashioned in a striking triangular shape extracted from a rough found in Central Africa in the 1990’s that weighed 11.70 carats. A stone of this colour and size is extremely scarce. The diamond is type Ia, amongst the purest of natural gems. The estimate is CHF7,000,000 to 10,000,000.