Early 20th century diamond three stone and onyx navette cluster ring, c.1915, with three old European cut diamonds, the principal to centre of approximately 1.80ct,
forming a boat shaped cluster with calibre cut onyx ground, the shank of bevelled edge section, mounted in platinum, the side diamonds approximately 0.70cts in allWidth of cluster mount 8.5mm
Width 1.7 cm
Central diamond approximately 8.10 x 8.10 x 4.15Weight: 3.5g
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
Early 20th century diamond three stone and onyx navette cluster ring, c.1915, with three old European cut diamonds, the principal to centre of approximately 1.80ct,