Black and white diamond and ruby necklace, Michele della Valle

The highly flexible collar set with numerous round black diamonds weighing approximately 208.00 carats and cushion-shaped and round rubies weighing approximately 82.00 carats, randomly studded with near colorless diamonds weighing approximately 13.00 carats, mounted in 18 karat white gold. Estimate 60,000—80,000 USD - Lot Sold 74,500 USD

Sotheby's. Magnificent Jewels. 09 Dec 08. New York photos courtesy Sotheby's. www.sothebys.com