Ruby And Diamond Five Stone Gold Ring. 18 carat yellow gold, fully hallmarked Birmingham 1907. Three graduated rubies complemented by two old cut diamonds. Rubies and diamonds are all claw set. Pierced out extended claw gallery. Plain shoulders lead to a plain band shank.To the reverse the rubies and diamonds are set into open backed settings, this allows the light to shine through.The head of the ring measures approximately 17 mm across, from outer edge of ruby to outer edge of ruby.