Ceylon star sapphire and diamond ring. Centrally set with an oval cabochon natural unenhanced Ceylon star sapphire in an open back claw setting with an approximate weight of 30.00 carats, flanked by two tapered baguette cut diamonds in open back half collet settings with a combined weight of 0.40 carats, further adorned with fourteen round eight cut diamonds in open back grain settings with a combined weight of 0.50 carats. The total approximate diamond weight is 0.90 carats, to an impressive solitaire design with triple claws, intricate scrollwork to the gallery and fancy open backholing, the raised trumpeting shoulders flowing to a solid D-shape shank. Marked platinum and iridium, maker's mark for J. Milhening. Inc, Chicago, American, circa 1950, accompanied by Gemmological Certification Services report #78153-47.