Art Deco 18ct White Gold Signet Ring With Onyx Crest Intaglio

An unusual 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) white goldWhite gold is an alloy of gold and at least one other white metal – most often nickel or palladium (both of which act as a bleaching agent to reduce the natural yellow colour of the gold). ring set with small diamonds around an onyxOnyx is an opaque black variety of polycrystalline chalcedony quartz.  intaglioAn engraved stone, the opposite of a cameo, with a recessed design cut below the surface of the stone. Intaglio designs are common for signet rings and fob seals. with a crest of a stag. There is a motto below. It reads “Ratio Regnum Regat” which means “Reason Rules the Kingdom”.The shankThe circle of metal that attaches to the decorative part of a ring and encircles the finger. has diamondA precious, lustrous gemstone made of highly compressed carbon. Diamonds are one of the hardest materials known to mankind. Colours of diamonds range from colourless, yellow, orange and brown to almost black. Natural coloured (or ‘fancy’) diamonds can be extremely rare. The cut, colour, clarity and carat weight of a diamond are the criteria jewellers use… set shouldersThe point on a ring where the central section meets the shank or band, often carved, decorated or inlaid with small diamond accent stones. and is decorated with engraved work. It was made circa 1920 in America but is a Scottish crest so a branch of the family most probably commissioned it to be made.