Tiffany & Co jewelry @ Christie's, New York Jewels, 15 June 2010, New York

A diamond necklace, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Designed as an openwork circular-cut diamond scrolled band, enhanced by baguette-cut diamond detail, mounted in platinum, 15 ins., with French assay mark and maker's mark Signed Tiffany & Co., France, no. 14772928. Estimate $50,000 - $70,000 Price Realized $176,500

A diamond bracelet, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Designed as an openwork circular-cut diamond scrolled band, enhanced by baguette-cut diamond detail, mounted in platinum, 6¾ ins., with French assay mark and maker's mark. Signed Tiffany & Co., France, no. 15009543. Estimate $30,000 - $50,000 Price Realized $100,900

A Art Deco diamond bracelet, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Designed as a series of five openwork circular and baguette-cut diamond square-shaped plaques, each centering upon a collet-set old European-cut diamond, spaced by openwork circular-cut diamond geometric links, mounted in platinum, circa 1925, 7 3/8 ins., in a Tiffany & Co. red leather case. Signed Tiffany & Co. Estimate $45,000 - $65,000 Price Realized $62,500

A diamond "lace" necklace, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Designed as a flexible wide mesh band set with a series of collet-set diamond foliate motifs, mounted in platinum, 15¼ ins. Signed Tiffany & Co. Estimate $15,000 - $20,000 Price Realized $47,500

A diamond and pink tourmaline necklace, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Set with a cushion-cut pink tourmaline, weighing approximately 43.47 carats, to the baguette-cut diamond neckchain, mounted in platinum, 17½ ins. Signed Tiffany & Co., no. 19272192. Estimate $8,000 - $12,000 Price Realized $32,500

A diamond necklace, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Designed as a series of circular-cut diamond arched links, spaced by collet-set diamonds, each link suspending a graduated collet-set diamond swag, mounted in platinum, 17¾ ins. Signed Tiffany & Co. Estimate $12,000 - $15,000 Price Realized $27,500

A diamond and wood bracelet, by Donald Claflin, Tiffany & Co. Photo: Christie's Images Ltd 2010

Designed as a wooden cuff bracelet, interspersed with bands of circular-cut diamonds, mounted in 18k gold, (2 1/8 ins. diameter, with safety chain) By Donald Claflin, signed Tiffany. Estimate $2,000 - $3,000 Price Realized $12,500

Property from the Estate of B. Carlin

This bracelet was possibly designed by Angela Cummings for Tiffany & Co.

A diamond lilac brooch, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Designed as a lilac blossom, the collet-set diamond blooms interspersed with 18k gold buds, to the textured gold sculpted leaves and stem, mounted in 18k gold and platinum. Signed Tiffany & Co., no. 16430978. Estimate $5,000 - $7,000 Price Realized $10,625

A diamond and cultured pearl crab necklace, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Composed of thirty-six cultured pearls, measuring from approximately 9.00 to 9.50 mm, centering upon a gray cultured pearl, measuring approximately 13.50 mm, flanked on either side by a circular-cut diamond crab with sculpted platinum legs, to the circular-cut diamond crabshell clasp, mounted in platinum, 1996, 16 ins., with English hallmarks. Signed Tiffany & Co., no. 13786755. Estimate $5,000 - $7,000 Price Realized $9,375

A diamond and cultured pearl crab brooches, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Comprising two brooches, each designed as a circular-cut diamond crab with sculpted platinum legs, holding in its claws either a cultured pearl, measuring approximately 14.60 mm, or a gray cultured pearl, measuring approximately 14.20 mm, mounted in platinum, 1996. Each signed Tiffany & Co. (2). Estimate $4,000 - $6,000 Price Realized $8,750

A yellow sapphire and tsavorite garnet orchid brooch, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Designed as an orchid, centering upon a bezel-set yellow sapphire, extending undulating circular-cut tsavorite garnet petals, with circular-cut yellow sapphire veining and detail, mounted in 18k gold. Signed Tiffany & Co., France. Estimate $4,000 - $6,000 Price Realized $8,125

A diamond and pâte-de-verre glass hydrangea brooch, by Tiffany & Co. Photo: Christie's Images Ltd 2010

Designed as a purple and green pate-de-verre glass hydrangea blossom, decorated with collet-set diamonds, to the polished 18k white gold veining and stem. Signed Tiffany & Co., France. Estimate $3,000 - $5,000 Price Realized $7,500

Christie's, New York Jewels, 15 June 2010, New York, Rockefeller Plaza www.christies.com