High quality ring with large old cut diamond and brilliant. Yellow gold/white gold 750 stamped. Master hallmark uninterpreted. Old-cut diamond circa 1935 approx. 1.00 ct/white-weakly tinted white/Si. 2 brilliant-cut diamonds each approx. 0.18 ct. 6 brilliant-cut diamonds each approx. 0.15 ct. 10.5 g. Individually designed ring with chaton set center stone surrounded by 8 brilliant-cut diamonds. Satin broad shoulder and center rail. .