Edwardian deep Royal Blue Burmese sapphire and diamond cluster ring, circa 1915.

Edwardian Ceylon sapphire and diamond coronet cluster ring. Centrally set with a round old cut natural unenhanced Ceylon sapphire in an open back spli...

Edwardian Ceylon sapphire and diamond coronet cluster ring. Set to center with a single cushion shape old cut natural unenhanced Ceylon sapphire in an...

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...

Burmese sapphire and diamond cluster ring. Set to centre with a cushion shape old cut natural unenhanced Burmese sapphire in an open back rubover setting with an approximate weight o...

A turn-of-the-century Burmese sapphire and diamond cluster ring, the central round-shaped faceted sapphire weighing 4.84 carats, accompanied by GAGTL certificate stating to be of Bur...

This delicate ring can be worn as an engagement ring, or a dress ring, dependant on preference! The deep blue sapphire weighs 0.35 carat and is claw set. The surrounding halo is made...

This stunning Edwardian cluster ring showcases a natural oval cut sapphire at its centre. The 1.21 carat intense blue sapphire, is completely untreated and claw set within 18 carat y...

An intense, deep blue Sapphire sits central to this Edwardian cluster ring. The 1.50 carat sapphire is completely natural and unheated and claw set into contrasting 18 carat yellow g...