Sapphire baguette and diamond ring by Oscar Heyman Bros. Set with twenty seven rectangular baguette cut natural unenhanced sapphires, mounted top to bottom in three separate sections, in open back rubover channel settings with an approximate combined weight of 6.10 carats, further set with four rows of round brilliant cut diamonds, twenty eight in total in open back grain settings with an approximate weight of 1.56 carats, to a substantial bombe shaped cluster with intricate pierced backholing and leading through to a ridged tapering D-shape shank. Mounted and set in yellow gold, maker's mark for Oscar Heyman Brothers, numbered '37991', circa 1960, accompanied by Oscar Heyman Brothers authenticity certificate.
