Tag Archives: #GIAcertified

April, 2026

• 27 April

  ONE OF THE WORLD’S EIGHT RAREST DIAMONDS RETURNS TO CHRISTIE’S GENEVA

  

  Christie’s has unveiled The Ocean Dream, the largest fancy vivid blue-green diamond ever recorded, heading to auction this May. The 5.50-carat triangular gem, certified by the GIA as type Ia, among the purest natural diamonds, carries a pre-sale estimate of CHF 7–10 million. Recovered from an 11.70-carat rough found in Central Africa …