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 all Width of cluster mount 8.5mm
Width 1.7 cm
Central diamond approximately 8.10 x 8.10 x 4.15 Weight: 3.5g
Ruby and diamond three stone ring, French, claw set with an oblong Burma ruby, approximately 1.50ct, between rectangular step cut diamonds approximately 0.70cts in all
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,
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,