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18 Karat Gold and Diamond Suite of Jewelry, Buccellati, Italy. photo Sotheby's

Comprising a necklace, brooch and pair of earclips, the necklace set with round diamonds weighing approximately 6.25 carats, length 16 inches, signed Buccellati, Italy; the brooch set with round and single-cut diamonds weighing approximately 2.85 carats, signed Gianmaria Buccellati; the earclips set with round diamonds weighing approximately 2.00 carats, signed Gianmaria Buccellati, Italy, numbered T478. With signed and fitted box. Est. 40,000—60,000 USD. Lot Sold 50,000 USD

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18 Karat Gold, Ruby and Diamond Bangle-Bracelet, Buccellati. photo Sotheby's

Round diamonds weighing approximately 2.00 carats, accented by oval rubies, gross weight approximately 58 dwts., mounted in 18 karat white and yellow gold, internal circumference 7 inches, signed M. Buccellati. Est. 40,000—60,000 USD. Lot Sold 50,000 USD

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18 Karat Gold and Diamond Cuff Bracelet, Buccellati. photo Sotheby's

Round diamonds weighing approximately 8.00 carats, mounted in 18 karat white and yellow gold, internal circumference 6¾ inches, signed M. Buccellati, Italy. Est. 30,000—40,000 USD. Lot Sold 40,625 USD

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Pair of 18 Karat Gold, Aquamarine and Diamond Pendant-Earclips, Buccellati. photo Sotheby's

The pear-shaped aquamarines weighing approximately 20.00 carats, within openwork frames set with round diamonds weighing approximately 4.00 carats, mounted in 18 karat white and yellow gold, signed Buccellati, Italy.Est. 25,000—35,000 USD. Lot Sold 37,500 USD

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18 Karat Gold and Sapphire Cuff Bracelet, Buccellati. photo Sotheby's

Cushion-shaped blue sapphires weighing approximately 5.85 carats, emerald-cut yellow sapphires weighing approximately 4.40 carats, internal circumference 6¼ inches, signed Buccellati. Est.15,000—20,000 USD. Lot Sold 30,000 USD

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18 Karat Gold and Diamond Bangle-Bracelet, Buccellati, Italy. photo Sotheby's

Round diamonds weighing approximately 5.00 carats, mounted in 18 karat white and yellow gold, internal circumference 6½ inches, signed Gianmaria Buccellati, Italy. Est. 15,000—20,000 USD. Lot Sold 25,000 USD

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18 Karat White Gold and Diamond Cuff Bracelet, Buccellati. photo Sotheby's

Round diamonds weighing approximately .80 carat, internal circumference 6¼ inches, signed M. Buccellati, Italy. Est. 8,000—10,000 USD. Lot Sold 13,750 USD

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18 Karat Gold and Diamond Cuff Bracelet, Buccellati. photo Sotheby's

Round diamonds weighing approximately .90 carat, mounted in 18 karat white and yellow gold, internal circumference 6¼ inches, signed M. Buccellati, Italy. Est. 8,000—10,000 USD. Lot Sold 12,500 USD

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18 Karat Gold, Emerald and Diamond Ring, Buccellati, Italy. photo Sotheby's

The oval emerald weighing approximately 1.00 carat, flanked by round diamonds, mounted in 18 karat yellow and white gold, size 5½, signed Gianmaria Buccellati, Italy. Est. 5,000—7,000 USD. Lot Sold 6,250 USD

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