Belle Époque ruby and diamond cluster ring. Set to centre with a round old cut diamond in an open back rubover setting with an approximate weight of 0.50 carats, surrounded by forty four round eight cut diamonds in open back grain settings with a combined weight of 0.44 carats, further set with twelve square calibré cut natural unenhanced rubies in open back rubover settings with an approximate combined weight of 0.36 carats. The total approximate diamond weight is 0.94 carats, to a scalloped openwork cluster design featuring millegrain, an intricate pierced gallery and fancy open backholing, flanked by gently sloping shoulders with cheniers leading to a slim solid ridged D-shape shank. Marked platinum, French, circa 1910.
