, the circular cluster set with an old mine cut diamond, bordered by double-eight cut diamonds, cut-down collet set in silver and gold, the close back opened to the main central diamond, tapering gold shank Diameter 1.4cm / 9/16''
Central diamond approximately 4.4 x 4.4 x 3.3mm Weight: 4.5g
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