Sapphire and diamond eternity ring. Set with twelve square step cut natural unenhanced sapphires in open back channel settings with a combined approximate weight of 2.52 interspersed with eight round old cut diamonds in open back grain settings with a combined approximate weight of 1.05 carats, to a smoothly conforming full eternity band featuring an alternating design, polished edges and intricate square backholing, approximately 4.3mm in width. Tested yellow gold, circa 1960.
