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

Ruby bead and diamond bracelet. Photo Sotheby's

Old European-cut, single-cut, round, old mine, rose-cut and baguette diamonds weighing a total of approximately 20.00 carats, faceted ruby beads measuring approximately 9.6 to 6.0 mm., mounted in white gold, length 7 inches, one diamond missing. Est. 80,000—120,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  230,500 USD

Ruby and diamond brooch. Photo Sotheby's

The square emerald-cut ruby weighing approximately 4.00 carats, old mine and rose-cut diamonds weighing a total of approximately 8.25 carats, mounted in gold and silver. Est. 75,000—100,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  182,500 USD

NOTE: Accompanied by AGL report no. CS 41091 stating that the ruby is of Burmese origin; heat enhancement: none.

Ruby and diamond ring. Photo Sotheby's

The cushion-shaped ruby weighing 5.26 carats, modified triangular-shaped diamonds weighing approximately 1.50 carats, mounted in gold and platinum, size 6¾. Est. 125,000—150,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  164,500 USD

NOTE: Accompanied by AGL report no. CS 40776 stating that the ruby is of Burmese origin; no gemological evidence of heat.

Star ruby, diamond and colored diamond ring. Photo Sotheby's

The oval cabochon star ruby weighing 34.45 carats, framed by round and baguette diamonds weighing approximately 14.00 carats, and round diamonds of yellow hue weighing approximately 5.00 carats, mounted in platinum, size 7, illustrated unmounted. Est. 50,000—75,000 USD - Lot Sold.  Hammer Price with Buyer's Premium:  122,500 USD

NOTE: Accompanied by AGL report no. CS 41007 stating that the star ruby is of Burmese origin, heat enhancement: none.

Ruby and diamond ring. Photo Sotheby's

The emerald-cut ruby weighing approximately 4.00 carats, flanked by baguette and trapeze-cut diamonds weighing approximately .70 carat, mounted in platinum, size 8¼. Est. 60,000—80,000 USD - Lot Sold.  Hammer Price with Buyer's Premium: 96,100 USD

NOTE: Accompanied by AGL report no. CS 41089 stating that the ruby is of Burmese origin; heat enhancement: none.

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

The cushion-shaped rubies weighing 3.76 and 3.71 carats, round and baguette diamonds weighing approximately 2.80 carats, mounted in platinum. Est. 40,000—60,000 USD - Lot Sold.  Hammer Price with Buyer's Premium: 74,500 USD

NOTE: Accompanied by AGL report no. CS 41090 A and B stating that the rubies are of Burmese origin; heat enhancement: none.

Pair of ruby and diamond earclips. Photo Sotheby's

Oval rubies weighing approximately 13.50 carats, round and marquise-shaped diamonds weighing a total of approximately 10.60 carats, mounted in 18 karat gold and platinum, maker's mark. Est. 50,000—70,000 USD - Lot Sold.  Hammer Price with Buyer's Premium: 62,500 USD

Gold, cabochon ruby, pearl and enamel pendant, Circa 1900. Photo Sotheby's

The cabochon ruby measuring approximately 16.5 by 15.8 mm., pearls measuring approximately 6.9 to 2.3 mm., reverse inscribed FK and MCMVI, MD in flourish pattern on reverse, with pin conversion. With fitted box. Est. 7,500—10,000 USD - Lot Sold.  Hammer Price with Buyer's Premium: 12,500 USD

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