A set of four French 1930s rock crystal, onyx and diamond buttons, the circular rock crystal backs with facetted edges, to an onyx half baton and rose cut diamond accented centre, the fittings stamped with French poinçons, 1.4cm diameter, 7.1g gross Condition Report: The rose cut diamonds are all present and correct. One button has a small circular scratch where the centre can swivel on the rock crystal. No major chips or cracks. Condition Report Disclaimer