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.

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.

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.

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

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.

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.

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