An Art Deco platinum ruby and diamond dress ring, set with square-cut rubies and modern round brilliant-cut diamonds, total diamond content approx 0.3ct, setting height 9.2mm, size S, 7.2gAll stones present, 4 rubies have surface chips and all have abraded facet edges, diamonds relatively bright and white, settings slightly worn mainly on back of shank where there is an added section, marks very rubbed, stamped Plat