This is a decorative 18ct solid gold 5-stone diamond and turquoise gemstone ring in which the gemstones are claw-set in an alternating configuration. The turquoise gemstones range in size from 1.75mm to 2.75mm(central stone) and are inter-spaced by 2 'old-cut' type diamond gemstones each of 0.06ct weight (0.12Ct weight in total). All of the gemstones are exposed to the reverse side of the head of the ring. There are ornate 'perforations' to the sides of the head of the ring and 'engraved markings' to the upper regions of the shank. The ring exhibits a Birmingham 18ct gold assay hallmark for the year 1918 on the inside circumference of its shank. Size 'J-K'(UK), 5.25(US). Weighs 2.1 grams. The ring is in very nice condition throughout with genuine gemstones, no repairs and full authentication for its year of manufacture.