Christie's London sale of important jewels achieved sales prices above presale estimates for some of its lots including the top lot, an important three-row natural pearl necklace.

The three-row natural pearl necklace went down the hammer for over twice its presale estimate, for $1,636,909. The other lot was a natural diamond and pearl brooch, which sold over 12 times its presale estimate, for $663,829.

Overall the sale achieved revenues worth $13,424,431.

Some of the other top lots included an 18.79-carat, VVS2 circular-cut diamond pendant and a 7.07-carat, VVS1 rectangular-cut fancy yellow diamond ring.