, 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 rectangular emerald and diamond cluster ring, French c.1915, centred by cut corner rectangular emerald of step cut, approximately 2.70ct,
Diamond and gold bombe style cluster ring by Cartier, Paris, with a central round brilliant cut diamond of approximately 0.70ct, claw set and raised upon a diamond cluster panel of butterfly outline,