A ruby and diamond ring, mounted by Cartier. Photo: Christie's Images Ltd 2010

The oval-shaped cabochon ruby weighing 13.96 carats mounted within a pavé-set diamond demi-surround of scrolling ribbon design, to the baguette-cut diamond shoulders with plain hoop, circa 1955, with green leather maker's case. Signed Mtd Cartier. Estimate £12,000 - £15,000. Price Realized £79,250 ($123,234)

Accompanied by report no. 20442 dated 18 August 2010 from the
AnchorCert laboratory stating that the ruby is natural, with no indications of heating

A ruby and diamond brooch,mounted by Cartier. Photo: Christie's Images Ltd 2010

The foliate cluster, composed of oval-shaped cabochon rubies gathered by a brilliant-cut diamond scrolling ribbon with floral cluster detail to the brilliant-cut diamond accents, circa 1955, 7.0cm long, with green leather maker's case. Signed Mtd Cartier. Estimate £15,000 - £20,000. Price Realized £30,000 ($46,680)

A ruby and diamond bangle, mounted by Cartier. Photo: Christie's Images Ltd 2010

Designed as a cluster of oval-shaped cabochon rubies with circular-shaped cabochon centre, accented by diamond-set scrolling ribbons and brilliant-cut diamonds to the wirework bangle, circa 1955, inner circumference 18.0cm, with green leather maker's case
Signed Mtd Cartier. Estimate £15,000 - £20,000. Price Realized £20,000 ($31,120)

A pair of ruby and diamond ear clips, mounted by Cartier. Photo: Christie's Images Ltd 2010

Each designed as a cluster of oval-shaped cabochon rubies accented by diamond-set scrolling ribbon detail and circular-cut diamonds, circa 1955, 3.5cm long, with green leather maker's fitted case. Signed Mtd Cartier (2). Estimate £8,000 - £10,000. Price Realized £17,500 ($27,230)

Christie's. Jewels - The London Sale, 1 December 2010, London, King Street www.christies.com