Oscar Heyman diamond half eternity ring. Set with nine round brilliant cut diamonds, approximately F-G colour, approximately VVS-VS1 clarity, with an approximate combined weight of 0.36 carats, in open back channel settings, to a smoothly conforming half eternity band with polished borders and square backholing which gently tapers to a solid D-shape shank, approximately 3mm in width at widest point. Marked platinum and iridium, maker's mark for Oscar Heyman Brothers, numbered 'W3493', American.
