An Art Deco 18ct gold diamond and ruby ring, centring a old mine cut diamond of approx. 0.27ct (reglued), to surround set with 15 cushion cut rubies (worn, one missing) and 12 old mine cut diamonds in worn platinum setting on yellow gold, with Austro Hungarian hallmark, top 9 x 18 mm, size O, wt. 4.2g.