Ceylon cabochon sapphire and diamond cluster ring, early 20th Century.

Ceylon cabochon sapphire and diamond cluster ring. Set to center with one cushion shape cabochon natural no heat Ceylon sapphire with an approximate weight of 14.80 carats, encircled by thirty-six round eight cut diamonds in open back grain settings with a combined weight of 0.36 carats and further flanked by ten round eight cut diamonds in open back grain settings with a combined approximate weight of 0.10 carats. The total approximate weight is 0.46 carats to an impressive coronet cluster design featuring millegrain edges, an intricately pierced gallery and open backholing leading to raised shoulders with chenier detail which flow through to a solid D-shape shank. Tested platinum, early 20th Century, accompanied by Gemmological Certification Services report #5786-2320.