A retro diamond ring, 1940s, the circular-cut diamond, weighing 1.45 carats, set within a white gold collet, the pierced surround of scrolling design stepped against concave borders, with bevelled shoulders and tapering hoop, mounted in 18 carat white and yellow gold, ring size Q. Accompanied by a report from the Gem Studies Laboratory (GSL), Australia, stating that the diamond is G colour, SI1 clarity. Report number AA51382/1, dated March 21st 2013