set with nine graduated old European cut diamonds, in quatrelobe cluster frames, spaced on two row tapering join links, collet set with old single and brilliant cut diamonds, mounted in platinum and gold, panel to clasp signed 'MARCUS & CO', approximately 12cts of diamonds in all (includes the principal diamonds which range approximately 1.89ct to 0.78ct) Length 18cm / 7''
Width at centre 1.5cm / 9/16'' Weight: 22.5g
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,
19th century rose cut diamond, ruby and yellow sapphire hand brooch, c.1890, modelled holding the single cushion cut yellow sapphire between thumb and forefinger,