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,
flanked by trefoil diamond clusters, diamonds all close cut down collet set, mounted in silver and gold, the gold shank with bifurcated and entwined openwork scroll shoulders extending to half hoop, the diamonds of cushion, double-eight and old brilliant cut, accompanied by GCS report no. 5783-1112 giving the Colombian origin opinion for the emerald and that is shows minor clarity enhancement and estimated to weigh 1.80ctHeart cluster 16 x 13mm
Emerald approximately 11.20 x 7.10 x 3.95mmWeight: 4.5g
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,
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,