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
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,