Description American, mid-late 20th century.?? Stamped a??Irid Plata?? ballerina style cocktail ring featuring center oval ruby surrounded by thirty-nine diamond baguettes. Ruby measures approx. 7.1 x 6.3 x 2.4mm, estimated weight .85ct.?? The ruby is a deep red with purple overtones, slightly uneven saturation.?? Estimated weight of diamond baguettes 1.0ct, VS-SI clarity, H/I color.?? Sz 6.5, 8gr.