Antiqueruby and diamond triple cluster ring. Set with three round old cutnatural unenhanced rubies in open backclaw settings with an approximate weight of 1.20 carats, surrounded by twenty four round single cutdiamonds in similar settings with an approximate combined weight of 0.75 carats, to an elegant triple cluster form with elaborately pierced claws and intricate backholing, flanked by smoothly conforming tapering shoulders leading through to a solid D-shapeshank. Marked 18 carat yellow gold, maker's mark for Laurie and Lazarus, numbered '6764 7310', full English hallmarks for Birmingham, circa 1905.