Art Deco diamond and sapphire cluster ring, French c.1925, central rectangular cut diamond of approximately 1.00ct, between calibre sapphire and diamond dart shoulders,
the principal diamond collet set within a calibre cut sapphire rectangular frame, full tapering side panel shoulders to half hoop, set with calibre sapphires forming three darts to a diamond ground and accent line below, the diamonds all of round transition brilliant and single cut, upon an openwork twin wire shank back, mounted in platinum, with a French assaymark, restoration to very back of shank Cluster head 10.0 x 8.8mm
Principal diamond approximately 6.2 x 5.1 x 3.55mm 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
Art Deco diamond and sapphire cluster ring, French c.1925, central rectangular cut diamond of approximately 1.00ct, between calibre sapphire and diamond dart shoulders,