18 Karat Gold, Emerald and Colored Diamond Necklace, Bulgari. photo Sotheby's

Set with emerald-cut emeralds weighing approximately 44.50 carats, alternating with cut-cornered rectangular modified brilliant-cut diamonds of light yellow hue weighing approximately 44.00 carats, length 16 inches, signed Bulgari. With signed box and pouch. Est. 200,000—300,000 USD. Lot Sold 362,500 USD

18 Karat Gold, Sapphire, Ruby and Diamond Fringe Necklace, Bulgari. photo Sotheby's

Designed as a graduated fringe set throughout with polished sapphire drops, polished ruby drops, round cabochon sapphires and round cabochon rubies, accented by round diamonds weighing approximately 13.50 carats, length 15½ inches, signed Bulgari. Est. 25,000—35,000 USD. Lot Sold 113,500 USD

Pair of 18 Karat Gold, Sapphire, Ruby and Diamond Pendant-Earclips, Bulgari. photo Sotheby's

Set with round cabochon sapphires and emeralds, and polished sapphire and ruby drops, accented by round diamonds weighing approximately 1.00 carat, signed Bulgari. Est. 10,000—15,000 USD. Lot Sold 57,500 USD

18 Karat Gold and Diamond 'Spiga' Necklace, Earclips and Ring, Bulgari. photo Sotheby's

The necklace set with round diamonds weighing approximately 7.25 carats, gross weight approximately 105 dwts., internal circumference 15 inches, signed Bulgari; the earclips set with round diamonds weighing approximately 1.10 carats, gross weight approximately 20 dwts., signed Bulgari; and the ring set with round diamonds weighing approximately .70 carat, gross weight approximately 12 dwts., size 6, expandable, signed Bulgari. Est. 12,000—18,000 USD. Lot Sold 18,750 USD

Suite of 18 Karat Gold and Cultured Pearl Jewelry, Bulgari. photo Sotheby's

Including a necklace composed of polished gold links and cultured pearls measuring approximately 8.5 to 8.0 mm., length 15 inches, signed Bulgari; a bracelet of similar design composed of cultured pearls measuring approximately 8.5 to 8.0 mm., length 8 inches, signed Bulgari; pair of earclips of similar design composed of cultured pearls measuring approximately 8.5 to 8.0 mm., signed Bulgari, Made in Italy; and a ring of similar design set with a cultured pearl measuring approximately 8.0 mm., size 7½, signed Bulgari. Est. 7,500—10,000 USD. Lot Sold 10,000 USD

Sotheby's. Magnificent Jewels, 09 Dec 10, New York www.sothebys.com