Ceylon sapphire and diamond cluster ring. Centrally set with one cushion shape old cut natural unenhanced Ceylon sapphire in an open back rubover setting with a weight of 3.93 carats, further set sixteen round eight cut diamonds in open back grain settings with a combined approximate weight of 0.32 carats, further adorned with twenty round transitional cut diamonds in open back grain and rubover settings with a combined weight of 1.00 carats. The total approximate diamond weight is 1.32 carats, to a bombé cluster design, with polished edges, an intricately pierced gallery with chenier detail and fancy open backholing, flanked by raised shoulders with cheniers, which lead on to a solid D-shape shank. Marked 18 carat yellow gold, circa 1940, accompanied by Gemmological Certification Services report #5782-1116.
