the square platinum head raised above yellow gold ribbed shoulders of square section, tapering to shank back, inscribed to shank back side 'Cartier London' Square head 10.5 x 10.5mm
Length along head 1.8cm / �'' Weight: 19g
Old pear cut diamond cluster ring, of lozenge outline rising at the centre, formed two old pear cut diamonds, back-to-back, further set with small cushion and single cuts, scroll carved gallery, open set in gold, total diamond weight approximately 2.90cts
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,