Turquoise, sapphire and diamond brooch, Van Cleef & Arpels, Paris

The stylized flower set with turquoise cabochons and round sapphires within textured gold frames, accented with 16 round diamonds weighing approximately 1.65 carats, mounted in 18 karat gold, signed Van Cleef & Arpels France, numbered 31394. Estimate 8,000—12,000 USD

Sotheby's. Important Jewels. 04 Feb 09. New York www.sothebys.com photo courtesy Sotheby's