A selection of sapphire jewelry sold @ Sotheby's, Magnificent Jewels, New York

Sapphire and diamond bracelet. Photo Sotheby's

Cushion-shaped sapphires weighing 6.87, 9.58, 8.97, 10.68, 14.62, 18.57, 10.83, 10.43, 10.03, 8.46 and 6.00 carats, emerald-cut diamonds weighing approximately 7.10 carats, mounted in platinum, length 7 inches. Est. 400,000—600,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  482,500 USD

NOTE: Accompanied by AGTA report no. 96033312 stating that the sapphires are of Sri Lakan origin; indications of heating.

Sapphire and diamond ring. Photo Sotheby's

The cushion-shaped sapphire weighing 26.24 carats, flanked by bullet-shaped diamonds weighing approximately 1.00 carat, mounted in platinum. Est. 250,000—350,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  422,500 USD

NOTE: Accompanied by AGL report no. CS 40589 stating that the sapphire is of Burmese origin; heat enhancement: none.

Pair of sapphire and diamond pendant-earrings. Photo Sotheby's

Cushion-shaped sapphires weighing 19.95 and 18.03 carats, round diamonds weighing 1.21 and 1.13 carats, single-cut diamonds weighing approximately .80 carat, mounted in platinum. Est. 200,000—250,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  338,500 USD

NOTE: Accompanied by Gübelin report no. 0907028 stating that the 19.95 carat sapphire is of Burmese origin, no indications of heating; and report no. 0907027 stating that the 18.03 carat sapphire is of Burmese origin, no indications of heating. Also accompanied by GIA report no. 14326394 stating that the 1.21 carat diamond is G color, VS2 clarity; and report no. 12031713 stating that the 1.13 carat diamond is G color, VS2 clarity.

Pair of sapphire and diamond pendant-earrings. Photo Sotheby's

Cushion-shaped sapphires weighing 10.46 and 10.19 carats, pear-shaped sapphires weighing 17.28 and 16.52 carats, round and pear-shaped diamonds weighing a total of approximately 16.65 carats, mounted in platinum, pendants detachable. Est. 250,000—350,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  272,500 USD

NOTE: Accompanied by AGL report no. CS 40926 stating that the sapphires are of Sri Lankan origin; indications of heat enhancement.

Sapphire and diamond necklace. Photo Sotheby's

The oval sapphires weighing approximately 50.95 carats, oval diamonds weighing 26.10 carats, mounted in platinum, length 16½ inches. Est. 200,000—250,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  224,500 USD

NOTE: Accompanied by 26 GIA reports stating that the diamonds are D to G color, VVS2 to VS2 clarity

Pair of sapphire and diamond pendant-earrings. Photo Sotheby's

The sugarloaf cabochon sapphires weighing 27.91 and 24.48 carats, cushion-shaped diamonds weighing 4.02 and 3.36 carats, further set with round diamonds, mounted in platinum. Est. 150,000—200,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  182,500 USD

NOTE: Accompanied by AGTA reports no. 96003311 and 99021111 stating that the sapphires are of Sri Lankan origin; no indications of heating.

Sapphire and diamond ring. Photo Sotheby's

The cushion-shaped sapphire weighing 5.07 carats, framed by pavé-set round diamonds weighing approximately .65 carat, mounted in platinum, size 5¾. Est. 140,000—160,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  164,500 USD

NOTE: Accompanied by AGTA report no. 96026912 stating that the sapphire is of Kashmir origin, no indications of heating; also accompanied by GIA report no. 1112154047 stating that the sapphire is of Kashmir origin, no indications of heating.

Star sapphire, diamond, emerald and sapphire ring. Photo Sotheby's

The oval cabochon star sapphire weighing 40.15 carats, framed by pear-shaped diamonds weighing approximately 5.40 carats, pear-shaped emeralds and pear-shaped sapphires, mounted in platinum, size 7, illustrated unmounted. Est. 50,000—75,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  104,500 USD

NOTE: Accompanied by AGL report no. CS 41010 stating that the star sapphire is of Burmese origin, heat enhancement: none.

Sapphire and diamond bracelet, Circa 1935. Photo Sotheby's

Cabochon sapphires measuring approximately 15.7 by 11.7 mm. to 8.0 by 6.4 mm., round and baguette diamonds weighing approximately 5.00 carats, additionally set with calibré-cut sapphires, mounted in gold and platinum, length 6 inches, partial maker's mark, French assay mark. Est. 20,000—30,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  89,500 USD

Sapphire and diamond ring. Photo Sotheby's

The cushion-shaped sapphire weighing 10.79 carats, flanked by half-moon-shaped diamonds weighing approximately 1.65 carats, mounted in platinum, size 6. Est. 40,000—60,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  56,250 USD

Sapphire and diamond ring. Photo Sotheby's

The emerald-cut sapphire weighing 10.91 carats, baguette diamonds weighing approximately 2.35 carats, mounted in platinum, size 6¼. Est. 18,000—22,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  37,500 USD

Pair of sapphire and diamond earclips. Photo Sotheby's

The cushion-shaped sapphires weighing approximately 22.00 carats, marquise-shaped and baguette diamonds weighing approximately 6.10 carats, mounted in platinum. Est. 15,000—20,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  35,000 USD

Cabochon sapphire and diamond ring. Photo Sotheby's

The cabochon sapphire weighing approximately 26.85 carats, round diamonds weighing approximately .70 carat, mounted in 18 karat white gold, size 6. Est. 15,000—20,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  20,000 USD

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