LOT 92 - A diamond and gold necklace by Jean Schlumberger, Tiffany & Co. Designed as a circular-cut diamond and sculpted 18ct gold openwork bombé band, mounted in 18ct gold and platinum, 13.5in. Signed Schlumberger for Jean Schlumberger, Tiffany & Co. Sold for US$23,750 (estimate: US$15,000-$20,000)