diamond

A diamond , sapphire and emerald "Panther" ring, by Cartier

A diamond , sapphire  and  emerald  "Panther" ring, by Cartier. Photo: Christie's Images Ltd. 2011

Designed as a pavé-set diamond panther, set with cabochon sapphire spots, pear-shaped emerald eyes and a black enamel nose, the tail terminating with a cushion-cut sapphire, mounted in platinum, ring size 5½, with French assay marks and maker's mark. Signed Cartier, no. 230198. Estimate $20,000 - $30,000 - Price Realized $122,500

Christies's. Important Jewels, 14 June 2011, New York, Rockefeller Plaza www.christies.com

An amethyst and diamond blackamoor stick pin, Nardi

An amethyst and diamond blackamoor stick pin, Nardi. Photo Bonhams

designed with an amethyst headdress and bodice each detailed with round brilliant-cut diamonds, and accentuated with diamond earrings;signed S. Nardi; mounted in eighteen karat gold; length: 1 1/2in. Sold for US$7,320

Property from the Private Collection of Lauren Bacall

Bonhams. Fine Jewelry, 15 Jun 2011, New York, California, San Francisco and California, Los Angeles www.bonhams.com

An enamel, diamond, ruby and emerald bangle bracelet, David WebbAn enamel, diamond, ruby and emerald bangle bracelet, David Webb

An enamel, diamond, ruby and emerald bangle bracelet, David Webb. Photo Bonhams

A diamond ruby enamel zebra bangle

A diamond ruby enamel zebra bangle. Photo Philips de Pury & Co

A diamond and enamel demi-parure, by Frascarolo

A diamond and enamel demi-parure, by Frascarolo. Photo Philips de Pury & Co

A pair of titanium, rubellite tourmaline and diamond flower earclips, by Margherita Burgener

A pair of titanium, rubellite tourmaline and diamond flower earclips, by Margherita Burgener. Photo Philips de Pury & Co

Each designed as a sculpted petrol-hued titanium flower, centring on an oval mixedcut rubellite tourmaline, within a circular-cut diamond spray surround, length 4 cm, signed ‘MB’ for Margherita Burgener. ESTIMATE £1,400-1,600 - SOLD AT £2,125

Philips de Pury & Co. Jewels. 1 june 2011. London www.phillipsdepury.com

A pair of diamond and titanium earclips,by Margherita Burgener.

A pair of diamond and titanium earclips,by Margherita Burgener. Photo Philips de Pury & Co

Each designed as a sculpted blue titanium flower, to a pavé-set diamond stamen, length 4.8 cm, signed ‘MB’ for Margherita Burgener  ESTIMATE £2,000-3,000 - SOLD AT £1,750

Philips de Pury & Co. Jewels. 1 june 2011. London www.phillipsdepury.com

An impressive sapphire and diamond 'Nautilus' cuff.

An impressive sapphire and diamond 'Nautilus' cuff.  Photo Philips de Pury & Co

The openwork cuff set throughout with circular-cut sapphires, weighing approximately 51.22 carats, and similarly cut diamond accents, total diamond weight approximately 5.89 carats. ESTIMATE £35,000-45,000

Philips de Pury & Co. Jewels. 1 june 2011. London www.phillipsdepury.com

A pair of diamond and enamel earclips, by Buccellati.

A pair of diamond and enamel earclips, by Buccellati. Photo Philips de Pury & Co

Each designed as an oval plaque of green guilloche enamel over a tooled and figured ground set with an applied flower motif set with brilliant- and rose-cut diamonds, length 2.2 cm, signed ‘Gianmaria Buccellati’, numbered, clip and post fittings. ESTIMATE £5,000-7,000 - Unsold.

Philips de Pury & Co. Jewels. 1 june 2011. London www.phillipsdepury.com

A suite of diamond and sapphire jewellery, by Buccellati.

A suite of diamond and sapphire jewellery, by Buccellati. Photo Philips de Pury & Co

Comprising a brooch realistically modelled as a bunch of grapes, the vine leaves pavéset with brilliant-cut diamonds from which cascade grapes of sapphire beads, pin-clip fitting to rear, length 4.8 cm, signed ‘Buccellati’, numbered N2284; accompanied by a pair of earclips of similar design, length 2.8 cm, signed ‘Buccellati’, numbered N2285. With grey leather box signed ‘Gianmaria Buccellati'. ESTIMATE £20,000-30,000 - SOLD AT £23,750

Philips de Pury & Co. Jewels. 1 june 2011. London www.phillipsdepury.com