A diamond single-stone ring, 1930s, the old brilliant-cut diamond weighing 4.66 carats, within a four-claw setting and fine pierced gallery, mounted in platinum, ring size N. Accompanied by a report from the Gem Studies Laboratory (GSL), Australia, stating that the diamond is K colour (brownish hue), VVS2 clarity. Report number AA52667/3, dated January 31st 2014.