Antique ruby and diamond cluster ring. Set to centre with a round old cut diamond in an open back rubover setting with a weight of 1.30 carats, encircled by a single row of channel set tapered calibre cut natural rubies to an octagonal form with an approximate combined weight of 1.50 carats with a fine rubover edging, stepping down to millegrain openwork and further set with a border of round old single cut diamonds and to the shoulders, thirty six in total with a combined weight of 0.50 carats in open back grain settings. The total approximate diamond weight is 1.80 carats, to an elegant stepped octagonal cluster with intricate pierced backholing and an ornate scrolling openwork gallery, conforming to the finger with gently sloping shoulders and flowing down to a solid ridged flat shank. Tested platinum, engraved to the interior '15 août 1911', circa 1911.
