Burmese sapphire and diamond cluster ring, circa 1920.

Burmese sapphire and diamond cluster ring. Set to centre with an oval old cut natural unenhanced Burmese sapphire in an open back claw and rubover setting with a weight of 2.64 carat...

Ceylon sapphire and diamond cluster ring. Set to centre with a cushion shape mixed cut natural unenhanced Ceylon sapphire in an open back rubover setting with a weight of 4.40 carats, further set with ten round old cut diamonds in open back grain and rubover settings with an approximate combined weight of 0.32 carats, decorated with fifty-six round eight cut diamonds in open back grain and rubover settings with a combined weight of 0.56 carats. The total approximate diamond weight is 0.88 carats, to an impressive bombe cluster featuring intricate foliate openwork with millegrain edging, a linear pierced gallery and open backholing, leading to polished conforming shoulders and flowing through to a solid D-shape shank. Marked platinum, maker's mark 'A. Tillander' for A. Tillander, Finnish, circa 1920, accompanied by Edelsteinbefundbericht report #032743. A. Tillander was established by Alexander Tillander...

Here we have a striking sapphire and diamond cluster ring taken from the Art Deco era. At the centre of the face we find an impressive 1.20ct oval faceted Burmese sapphire possessing...

Here we have a charming sapphire and diamond cluster ring wonderfully paying homage to a classic Art Deco design. A single oval faceted sapphire possessing a vivid navy blue colour t...