Green Garnet and Diamond Cluster Ring. Art Deco circa 1920. 18 carat yellow gold non-marked. An oval green garnet surrounded by eleven old cut diamonds. Total diamond content measures approximately .75 carat. Diamonds G colour, VS/SI clarity. Garnet and diamonds are claw set. Decorative gallery leading to knife edge shoulders. Plain band shank. Visit our website to view many more unique antique rings.