31 août 2017
Sapphire and diamond brooch, early 20th century
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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,...