Diamond engagement ring by Granat. A fancy cluster centrally set with a rectangular baguette cut diamond in an open backclaw setting with a weight of 0.65 carats, decorated either side by four rectangular baguette cut diamonds in open back channel settings with a combined weight of 0.30 carats, encircled by fourteen round eight cut diamonds in open back grain settings with a combined weight of 0.50 carats. The total approximate diamond weight is 1.45 carats, to an ornate cluster design with finely pierced gallery and shaped backholing met on either side with trumpeting shoulders with structured ridged detail which flow down to a solid D-shapeshank. Markedplatinum and iridium, signed 'GRANAT', American, circa 1950.