Diamond and sapphire pendant-brooch, Van Cleef & Arpels, New York, circa 1970

The stylized Maltese cross pavé-set with 204 round diamonds weighing approximately 12.50 carats, further set with 8 marquise-shaped diamonds weighing approximately 1.40 carats, the center and edges decorated with 9 cushion-shaped sapphires, mounted in gold, the reverse with an inscription and date Feb. 3, 1970, signed VCA, numbered NY 39630. Estimate 20,000—30,000 USD

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