with square cut sapphire between cushion cut diamonds, channel set, raised above a gallery set with calibre lines of sapphires and diamonds, mounted in platinum, French platinum mark and workshop mark Length of head 1.7cm / 5/8'' Weight: 4g
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,