the oblique square-cushion cut emerald collet set, with three rose cut diamonds to either side, trifurcated foliate shoulders,
fluted closed back, gold and silver mounted Length across shoulders stones 18mm Weight: 4.5g
Early 20th century three stone emerald and diamond ring, c.1910, set with a 3.97ct Colombian emerald of stepped square cut, flanked by two Asscher cut diamonds of approximately 2.25ct and 1.80ct,
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,