An Art deco diamond and onyx ring
The central millegrain-set old brilliant-cut diamond within lozenge-shaped onyx bezel with old brilliant-cut diamond border, circa 1930, later hoop
An Art deco diamond and onyx ring
The central millegrain-set old brilliant-cut diamond within lozenge-shaped onyx bezel with old brilliant-cut diamond border, circa 1930, later hoop
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