7 septembre 2015
An onyx and diamond brooch, by Cartier, circa 1920
An onyx and diamond brooch, by Cartier, circa 1920. Estimate £8,000 - 12,000 ( €11,000 - 16,000 ). Photo Bonhams. Oval, decorated with calibré-cut onyx and old brilliant-cut diamonds, diamonds approximately 1.65 carats total, rubbed Cartier signature,...