Sapphires @ Sotheby's. Magnificent Jewels. 20 Apr 10. New York

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: Accompanied by AGL report no. CS 41770 stating that the sapphire is of Burmese origin, no gemological evidence of heat.

Sapphire and Diamond Ring. photo Sotheby's

The cushion antique mixed-cut sapphire weighing 19.18 carats, framed by round and pear-shaped diamonds weighing approximately 4.00 carats, mounted in platinum and gold, size 6. Est. 90,000—120,000 USD. Lot Sold 110,500 USD

NOTE: Accompanied by AGL report no. CS 39848 stating that the sapphire is of Burmese origin, heat enhancement: none.

Invisibly-set Sapphire and Diamond Bracelet, Aletto Brothers. photo Sotheby's

Invisibly-set with calibré-cut sapphires, bordered by round diamonds weighing approximately 6.55 carats, mounted in platinum and 18 karat white gold, length 7 inches, signed Aletto Bros., numbered 23010. With signed box. Est. 50,000—75,000 USD. Lot Sold 86,500 USD

Pair of 18 Karat White Gold, Sapphire and Diamond Earrings, Michele della Valle. photo Sotheby's

Designed as hoops set with oval sapphires weighing 87.61 carats, and round diamonds weighing 5.64 carats, signed Michele della Valle, numbered 10838, maker's mark. Est. 35,000—45,000 USD. Lot Sold 65,500 USD

Pair of Sapphire and Diamond Earrings. photo Sotheby's

The cushion-shaped sapphires weighing approximately 30.00 carats, round, trapeze-cut, epaulet and square-cut diamonds weighing approximately 4.00 carats, mounted in platinum. Est. 45,000—55,000 USD. Lot Sold 62,500 USD

Sapphire and Diamond Necklace. photo Sotheby's

Of floral design set with oval and pear-shaped sapphires, and round, marquise-shaped and pear-shaped diamonds weighing a total of approximately 22.30 carats, mounted in 18 karat white gold, length 16¾ inches. Est. 25,000—35,000 USD. Lot Sold 48,750 USD

Sapphire and Diamond Bracelet, Circa 1935. photo Sotheby's

Old European-cut diamonds weighing approximately 8.75 carats, calibré-cut sapphires weighing approximately 14.00 carats, mounted in platinum, length 7¼ inches. Est. 25,000—35,000 USD. Lot Sold 42,500 USD

Three sapphire cuff bracelets. photo Sotheby's

Set with round pink, blue and yellow sapphires, mounted in 18 karat yellow, pink and white gold, internal circumference 6½ inches. Est. 18,000—22,000 USD. Lot Sold 35,000 USD

Sapphire and diamond ring. photo Sotheby's

The cushion-shaped sapphire weighing 6.27 carats, flanked by half-moon-shaped diamonds weighing approximately 1.50 carats, mounted in platinum, size 6½. Est. 25,000—30,000 USD. Lot Sold 33,750 USD

Platinum, Pink Sapphire and Diamond Ring, Schlumberger for Tiffany & Co. photo Sotheby's

The round pink sapphire weighing 4.02 carats, framed by round diamonds weighing approximately 1.35 carats, size 7, signed Tiffany & Co., Schlumberger Studios, numbered 21405515. Est. 10,000—15,000 USD. Lot Sold 32,500 USD

NOTE: Accompanied by GIA report no. 2115637400 stating that the pink sapphire is natural, Burmese origin, no indications of heating

Platinum, Sapphire and Diamond Ring. photo Sotheby's

The square emerald-cut lavender sapphire weighing approximately 25.00 carats, flanked by baguette diamonds, size 6¼. Est. 25,000—35,000 USD. Lot Sold 31,250 USD

Platinum, Sapphire and Diamond Ring, Faraone. photo Sotheby's

The sugarloaf cabochon sapphire measuring 14.70 by 10.62 by 7.42 mm., flanked by baguette diamonds, size 5¾, signed Faraone. Est. 20,000—30,000 USD. Lot Sold 25,000 USD

NOTE: Accompanied by AGL report no. CS 41535 stating that the sapphire is of Sri Lankan origin; no gemological evidence of heat.

18 Karat Gold, Sapphire and Diamond Ring. photo Sotheby's

The cushion-shaped sapphire weighing approximately 12.00 carats, flanked by round and marquise-shaped diamonds weighing approximately 1.00 carat, size 7¼. Est. 10,000—15,000 USD. Lot Sold 22,500 USD

Pink Sapphire and Diamond Ring, Dunay. photo Sotheby's

The oval pink sapphire weighing approximately 4.40 carats, flanked and framed by round and oval diamonds weighing approximately 2.00 carats, mounted in 18 karat gold, size 5½, signed Dunay, numbered B7628, maker's mark. Est. 10,000—15,000 USD. Lot Sold 20,000 USD

NOTE: Accompanied by AGL report no. CS 41900 stating that the pink sapphire is of Sri Lankan origin, enhancement: low temperature heating.

Platinum Sapphire and Diamond Ring, Bulgari. photo Sotheby's

The cushion-shaped sapphire weighing 6.18 carats, flanked by baguette diamonds, size 6¾, signed Bulgari. Est. 15,000—20,000 USD. Lot Sold 18,750 USD

Color-Change Sapphire, Pink Sapphire and Diamond Ring, Tiffany & Co. photo Sotheby's

The oval color-change sapphire weighing 8.95 carats, framed by small round pink sapphires weighing .25 carat, and round diamonds weighing .24 carat, mounted in platinum, size 6¾, signed Tiffany & Co., numbered 21816736. Est. 15,000—20,000 USD. Lot Sold 18,750 USD

Sotheby's. Magnificent Jewels. 20 Apr 10. New York www.sothebys.com