Sapphire and diamond cluster ring. Set to centre with a cushion shape old cut natural unenhanced sapphire in an open back rubover setting with an approximate weight of 1.20 carats, encircled by twelve round eight cut diamonds in open back grain settings with an approximate combined weight of 0.40 carats, further flanked by six round eight cut diamonds in open back grain settings with a combined weight of 0.10 carats. The total approximate diamond weight is 0.50 carats, to an elegant oval coronet cluster design featuring polished borders, an intricately pierced gallery and open shaped backholing, leading to slightly raised shoulders and flowing through to a smooth solid shank. Tested platinum, numbered '205', circa 1920, accompanied by Gemmological Certification Services (GCS) report #5782-1255.
