The purest 7.03-carat blue diamond from a private collection was sold at Christie’s auction house in Geneva for $10 million.
The expected price of a diamond ring was $10 million to $14 million. Other items auctioned included the ring and earrings of renowned French jeweler Joel Arthur Rosenthal. The emerald ring went under the hammer for $300,000, double the expected price. And the diamond earrings were sold for $723,000, while the price was expected to be $330,000.
Blue Diamond
Another star of the auction was a ring with the rarest and purest Colombian emerald, without any processing, of nearly 14 carats. It was planned to sell for $1.2 million, but was bought for $1.02 million.
The 43-pound Burmese sapphire pendant went for just $2.1 million, instead of the expected three million.
Blue Diamond
