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Diamond necklace, bracelet ans pair of matching ear clips, Federico Buccellati. photo courtesy Sotheby's

The articulated necklace of openwork design, decorated by brilliant-cut diamonds, length approximately 380mm; a pair of matching earrings, clip fittings, and bracelet en suite; the diamonds altogether weighing approximately 12.20 carats, mounted in 18 karat white and yellow gold; en suie, length approximately 175mm; the diamonds signed. (3) - Estimate 270,000—390,000 HKD. Lot Sold 620,000 HKD

Accompanied by fitted boxes.

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Diamond ring,Federico Buccellati. photo courtesy Sotheby's

Centring on a pear-shaped diamond weighing approximately 2.10 carats, amid a stylised frame of textured gold decorated by marquise-shaped diamonds, mounted in platinum, signed. Estimate 170,000—250,000 HKD. Lot Sold 375,000 HKD

Ring size: 5¾

Accompanied by GIA report numbered 10549368, dated 16 February 1999, stating that the 2.10 carat diamond is D colour, Internally Flawless clarity; also accompanied by a signed box.

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Ruby and diamond 'Flower bouquet' brooch, and pair of matching ear clips, Federico Buccellati. photo courtesy Sotheby's

Modelled as a bouquet of three flowers and a bud, the petals set with circular-cut rubies, the leaves and flower centres decorated by rose- and circular-cut diamonds; and pair of matching ear clips, clip fittings; the rubies and diamonds altogether weighing approximately 7.50 and 1.45 carats respectively, mounted in 18 karat white and yellow gold, signed. (2) - Estimate 120,000—180,000 HKD. Lot Sold 150,000 HKD

Accompanied by a signed box.

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Pair of diamond ear clips, Federico Buccellati. photo courtesy Sotheby's

Each set with a pear-shaped diamond weighing approximately 1.30 carats, to a pierced openwork frame, mounted in 18 karat yellow gold, clip fittings, signed - Estimate 55,000—85,000 HKD. Lot Sold 118,750 HKD

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Jadeite and diamond ring, Federico Buccellati. photo courtesy Sotheby's

Centring on an oval jadeite cabochon, to a stylised pierced mount set with circular-cut diamonds, mounted in 18 karat white and yellow gold. Estimate 60,000—80,000 HKD. Lot Sold 87,500 HKD 

Ring size: 5¾

Accompanied by Hong Kong Jade & Stone Laboratory certificate numbered SJ15363, dated 23 August 2010, stating that the jadeite is natural, known in the trade as 'A Jade'; also accompanied by a signed box.

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Diamond bangle and matching ring, Federico Buccellati. photo courtesy Sotheby's

The cuff bangle decorated to the obverse by white gold florets inset with brilliant-cut diamonds, to a textured background, inner diameter approximately 60.10 x 42.76mm; and a matching ring; mounted in 18 karat white and yellow gold, signed. (2)  Estimate 40,000—60,000 HKD. Lot Sold 81 250 HKD

Ring size: 6

Accompanied by a signed pouch.

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Diamond bangle and pair of cultured pearl and diamond ear clips, Federico Buccellati. photo courtesy Sotheby's

The bangle of textured gold decorated with carved gold florets, embellished by brilliant-cut diamonds, length and inner diameter approximately 165mm and 48.00 x 54.00mm respectively; and a pair of ear clips, each centring on a button-shaped cultured pearl measuring approximately 10.65mm and 10.68mm, amid a stylised surround decorated by circular-cut diamonds, clip fittings; signed. (2) Estimate 50,000—80,000 HKD. Lot Sold 75,000 HKD

Accompanied by signed pouches.

Sotheby's, Magnificent Jewels & Jadeite, 06 Oct 10, Hong Kong www.sothebys.com