Rubellite and diamond necklace and earrings

The necklace designed as a slightly graduating line of cushion-shaped rubellites framed by small round diamonds and spaced by round and marquise-shaped diamonds, the center pendant surmounted by a pear-shaped diamond, together with a pair of pendant earrings, en suite, the total diamond weight approximately 13.90 carats, mounted in 18 karat white gold, necklace length 16½ inches. Estimate 40,000—50,000 USD

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