A employee poses with a pear shaped diamond and tourmaline poppy brooch from the Lily Safra collection...
A employee poses with a pear shaped diamond and tourmaline poppy brooch from the Lily Safra collection during an auction preview at Christie's in Geneva May 10, 2012. The brooch is expected to sell between CHF 460,000 and 650,000 (US$ 500,000-700,000) when it goes into auction May 18, 2012 in Geneva. REUTERS/Valentin Flauraud (SWITZERLAND - Tags: SOCIETY ENTERTAINMENT)