31 août 2017

Lot 60. Sapphire and diamond brooch, early 20th century. Estimate £10,000–15,000. Photo: Sotheby's. Of openwork garter design, set with oval and cushion-shaped sapphires, with cushion and circular-cut diamond borders, Russian assay and maker's mark, later brooch fitting to the reverse.  Accompanied by a gemmological report. Sotheby's. Fine Jewels, London, 20 Sep 2017, 10:00 AM

Lot 138. Sapphire and diamond brooch and pair of ear clips, Oscar Heyman & Brothers, 1950s. Estimate £10,000–15,000. Photo: Sotheby's. Each of spray design, set with tapered sapphires of blue, yellow and pink tints and brilliant-cut and baguette diamonds, brooch numbered, maker's mark; ear clips with screw back fittings, maker's mark and signed Birks.  Note: It is likely that the ear clips were retailed by Canadian retailers Birks. Sotheby's. Fine Jewels, London, 20 Sep 2017,... [Lire la suite]

Lot 73. Cabochon star sapphire and diamond ring. Estimate £8,000–12,000. Photo: Sotheby's. Claw-set with a cabochon star sapphire within a surround of brilliant-cut diamonds, size N1/2. Sotheby's. Fine Jewels, London, 20 Sep 2017, 10:00 AM  

Lot296. Step-cut sapphire weighing 30.93 carats and diamond ring. Estimate £40,000–60,000. Photo: Sotheby's. Claw-set with a step-cut sapphire weighing 30.93 carats, the mount accented with single-cut diamonds, size G, indistinctly numbered, French assay mark, three diamonds deficient. Accompanied by a gemmological report. Sotheby's. Fine Jewels, London, 20 Sep 2017, 10:00 AM

Lot 295. Sapphire, ruby and diamond brooch, Cartier, 1960s. Estimate £20,000–30,000. Photo: Sotheby's. Modelled as a cockatoo, the body set with carved sapphires and brilliant-cut diamonds and accented with blue enamel, the eyes set with oval rubies, resting on a perch set with baguette diamonds, signed Cartier, numbered, French assay and maker's marks, fitted case stamped Cartier. Note: Accompanied by a facsimile of the original purchase invoice form Cartier Monte Carlo, dated 24th March 1960.  The... [Lire la suite]