Sapphire and Diamond Pendant. photo Sotheby's The pear-shaped sapphire weighing 18.70 carats, framed by pear-shaped and marquise-shaped diamonds weighing approximately 4.00 carats, mounted in platinum. Est. 100,000—150,000 USD. Lot Sold 152,500 USD NOTE:...

Sapphire and diamond ring. Photo Sotheby's The cushion-shaped sapphire weighing 21.24 carats, flanked by trapeze-cut and round diamonds weighing approximately 2.10 carats, mounted in platinum, size 5¾. Est. 90,000—110,000 USD. Lot Sold 110,500 USD Pair...

A sapphire and diamond brooch, by Harry Winston Set with a modified half-moon sapphire, weighing approximately 22.01 carats, within a circular-cut diamond surround, to the triangular-cut diamond link, suspending a detachable pendant, set with a pear-shaped...