Burmese Sapphire and Diamond bombé cluster ring, French, circa 1970

Vintage Burmese sapphire and diamond ring. Set to centre with a cushion shape old mine natural unenhanced Burmese sapphire in an open back claw setting with an approximate weight of ...

Burmese sapphire and diamond cluster ring. Set centrally with one cushion shape old cut natural unenhanced Burmese sapphire in an open back claw setting with an approximate weight of...

Ceylon sapphire and diamond cluster ring. Centrally set with one cushion shape old cut natural unenhanced Ceylon sapphire in an open back rubover setting with a weight of 3.93 carats...

Mellerio Burmese sapphire and diamond coronet cluster. Set to centre with a single cushion shape natural and unenhanced Burmese sapphire in an open back claw setting, with an approximate weight of 2.80 carats, encircled by sixteen round brilliant cut diamonds in open back claws settings, with an approximate combined weight of 0.80 carats, to an impressive coronet cluster design featuring curved claws, a linear pierced gallery and circular open backholing, flanked by raised shoulders that flow through to a solid D-shape shank. Marked platinum, signed 'MONTE PAR MELLER...

This gorgeous Vintage cluster ring showcases an vibrant 2.70 carat carat sapphire at its centre. The light blue sapphire is a cushion cut stone, heat treated to help the gem look its...

This beautiful vintage cluster ring features a delightful sapphire surrounded by a halo of round brilliant diamonds. The cushion cut sapphire has a carat weight of 1.60 carat and is...

This elegant vintage cluster ring dates back to 1964. The ring centres around a stunning light blue sapphire weighing 0.50 carat. The emerald cut sapphire is claw set in platinum an...

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...