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
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,
Art Deco carved emerald cabochon and diamond ring by Mauboussin, with large dome shaped floral carved Colombian emerald of 50.87ct, probably Indian carved,