each with three sapphires bordered by rose cut diamonds, millegrain set in platinum and gold, workshop mark for H. Droguet, serial number 2123 and 1806Width 1.1cm / 7/16''Weight: 8.5g
Art Deco diamond and sapphire oblong cluster ring, c.1920, set with an old lozenge cut diamond to a calibre cut sapphire ground and outer diamond border of old brilliant cut stones, diamond line shoulders extending up to the principal diamond, millegrain set, engraved anthemoin and laurel to half shank, lozenge pierced to gallery, serial number within the shank 3632