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

The faceted rubellite pendants weighing approximately 93.65 carats, rose-cut and round diamonds weighing approximately 2.45 carats, mounted in platinum. Est. 10,000—15,000 USD. Lot Sold 27,500 USD

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Pink tourmaline and diamond necklace. Photo Sotheby's

Oval pink tourmalines weighing approximately 69.20 carats, round and pear-shaped diamonds weighing approximately 10.75 carats, mounted in white gold, length 17 inches. Est. 12,000—15,000 USD. Lot Sold 23,750 USD

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Emerald and ruby bead necklace. Photo Sotheby's

Composed of faceted ruby beads and fluted emerald beads, mounted in yellow gold, length 23½ inches. Est. 6,000—8,000 USD. Lot Sold 22,500 USD

04_Master_Johnson

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Diamond and ruby pendant-brooch and diamond chain, Circa 1915. Photo Sotheby's

The pendant-brooch set with a round ruby weighing approximately 1.10 carats, old European-cut, single-cut and rose-cut diamonds weighing approximately 6.75 carats, mounted in platinum; the chain collet-set with old European-cut and single-cut diamonds weighing approximately 2.10 carats, mounted in platinum, length 22 inches. Est. 8,000—12,000 USD. Lot Sold 21,250 USD

5

Diamond and ruby pansy brooch, Oscar Heyman & Brothers Inc. Photo Sotheby's

Set with round diamonds weighing approximately 2.65 carats, and calibré-cut and round rubies, mounted in platinum, maker's mark, numbered 71135, with two pendant hooks. Est. 5,000—7,000 USD. Lot Sold 17,500 USD

4

Ruby and diamond dragonfly pendant-brooch, Trio. Photo Sotheby's

Round diamonds weighing approximately 7.35 carats, additionally set with oval and pear-shaped rose-cut rubies, mounted in 18 karat white and yellow gold, signed Trio. Est. 10,000—15,000 USD. Lot Sold 12,500 USD

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Cabochon ruby and diamond necklace. Photo Sotheby's

Round diamonds weighing approximately 21.00 carats, accented by cabochon rubies, completed by strands of gold chain at the back, mounted in 18 karat gold, length 16 inches. Est. 8,000—12,000 USD. Lot Sold 11,875 USD 

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Ruby and diamond lariat necklace. Photo Sotheby's

Composed of faceted, polished and briolette ruby beads measuring approximately 9.6 to 5.6 mm., diamond rondelles set with single-cut diamonds weighing approximately .75 carat, length 44 inches. Est. 6,000—8,000 USD. Lot Sold 10,625 USD

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Ruby and diamond serpent bangle-bracelet. Photo Sotheby's

Round diamonds weighing approximately 1.20 carats, additionally set with round rubies, mounted in 14 karat white and blackened gold, internal circumference 6½ inches. Est. 8,000—10,000 USD. Lot Sold 10,000 USD

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

The pear-shaped rubellites weighing approximately 16.65 carats, rose-cut and round diamonds weighing approximately 3.10 carats, mounted in platinum. Est. 8,000—12,000 USD. Lot Sold 10,000 USD

3

Purplish pink spinel and diamond ring. Photo Sotheby's

The oval spinel of purplish pink color weighing approximately 9.30 carats, framed by round diamonds weighing approximately 2.30 carats, mounted in platinum, size 6. Est. 8,000—12,000 USD. Lot Sold 10,000 USD

NOTE: Accompanied by GIA report no. 2101816515 stating natural spinel, no indications of heating.

1

Rubellite and diamond ring, Sifen Chang. Photo Sotheby's

The heart-shaped rubellite weighing approximately 18.05 carats, framed by round diamonds weighing approximately 2.45 carats, mounted in 18 karat blackened white gold, size 6, maker's mark. With signed box. Est. 8,000—12,000 USD. Lot Sold 9,375 USD

03_Buggiano

18 karat gold, emerald and ruby bead necklace and earclips. Photo Sotheby's

The necklace composed of ruby beads measuring approximately 12.5 to 3.0 mm., emerald beads measuring approximately 18.3 to 8.6 mm., suspending an emerald bead measuring approximately 24.5 by 22.4 mm., length 34 inches; the earclips set with ruby beads measuring approximately 16.3 mm., carved emerald beads measuring approximately 10.4 mm, and cabochon emeralds, together with four additional ruby beads, maker's mark. Est. 5,000—7,000 USD. Lot Sold 3,750 USD

Sotheby's. Important Jewels. 03 Feb 10. New York www.sothebys.com