in bracket type claws between triple band of baguettes channel set, the back of the shank openwork tramline style, mounted in platinum, signed to the side of the shank 'MARCHAK PARIS' (partially indistinct), French workshop mark and partial French platinum assaymark to back of shank Hexagonal step cut diamond approximately 14.1 x 8.5 x 5.8mm Weight: 6g
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