, the octagonal step cut emerald in a cushion border of small old round brilliant cut diamonds meeting and extending as two lines down the shoulders, pierced detail and decoration, millegrain set, mounted in platinum, signed 'MARCUS', the emerald approximately 1.25ct, the diamonds approximately 0.40cts in all Cluster length 11mm
Emerald approximately 6.8 x 6.5 x 4.2mm Weight: 5g
Late 18th / early 19th century pear shaped emerald and diamond cluster ring, c.1800, the Colombian emerald of step cut and elongated outline, open set and inverted within a heart shaped border of old cut diamonds,