the central sapphire bordered by twelve brilliant cut diamonds, within a further border of baguette cut diamonds that extend into the shoulders to form an overlapping swirl shape, all mounted in platinum, signed to inside of shank: 'YARD', accompanied by AGL report no. 1132349 for the 2.23ct cushion sapphire giving the Kashmir origin opinion and that the stone shows no evidence of heat treatment Head measures 2cm in diameter Weight: 10.5g
Early 20th century diamond and sapphire 'eye' cluster ring, French c.1910, with an old European cut diamond brilliant to centre, approximately 0.90ct, flanked by tapering calibre cut sapphires in a millegrain scalloped edged border of small old single cut diamonds, mounted in platinum, trace of French assaymark and workshop mark
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