A diamond single-stone ring, mid 20th century, the round brilliant-cut diamond, weighing 1.84 carats, within six-claw setting, to the circular gallery and flanked by a pair of engraved shoulders, mounted in platinum, ring size M½. Accompanied by a report from the Gem Studies Laboratory (GSL), Australia, stating that the diamond is G colour, VS1 clarity. Report AA52667/2, dated January 31 2014.