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
Art Deco emerald and diamond ring, the emerald-cut Colombian emerald 4.46ct, flanked by step cut triangular diamonds, all bordered by baguette and trapezium cut diamonds,
Art Deco mauve tourmaline and diamond dress ring, c.1925, the cut-corner rectangular tourmaline of step cut, the pinkish-brownish purple described as 'old mauve', approximately 7.75ct,
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,