Lot 60. Sapphire and diamond brooch, early 20th century. Estimate £10,000–15,000Photo: 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