the rectangular step cut emerald to a square geometric diamond border of baguette diamonds flanking and round brilliant cuts above and below, tapering three stone diamond set shoulders, collet set in platinum, emerald approximately 0.40ct, the diamonds approximately 0.85cts in allCluster 11 x 11mmWeight: 4g
Art Deco emerald and diamond cluster ring, c.1920, the cushion cut Colombian emerald of approximately 2.00cts, bordered by single cut diamonds extending to two diamonds to each shoulder, millegrain set in platinum, accompanied by AGL report no. 1124368 for the emerald giving the Colombian origin opinion and that the stone shows insignificant traditional clarity treatment (oiling), total diamond weight approximately 0.15cts in all,
Victorian cabochon emerald and 18ct gold ring, London (date mark is either 1878 or 1898), the oval 6.49ct Colombian emerald open collet set to a simple tapering gold mount, D shaped shank, accompanied by AGL report no. 1118060 giving the Colombian origin opinion and that the stone shows minor clarity treatment of a traditional type (oiling)
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,