, centred by an old round brilliant cut diamond to a two row border of calibre cut sapphires and rose cut diamonds, the diamonds millegrain set, the sapphires collet set, mounted in platinum and gold, the central diamond approximately 0.40ct Cluster 1.4 x 1.4cm / 9/16 x 9/16'' Weight: 2.5g
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