ART DECO SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1935 The step-cut sapphire, weighing 6.77 carats, between baguette-cut diamond shoulders and channel-set similarly-cut diamonds, mounted in platinum, ring size E? 注脚 Accompanied by a report from The Gem & Pearl Laboratory stating that the sapphire is of Sri Lankan origin with no evidence of heat treatment. Report number 19985, dated 28th May 2021.