A pink star sapphire and diamond plaque ring, circa 1890
The pink star sapphire cabochon weighing 7.14 carats, within an openwork scalloped surround of cushion-shaped, old brilliant, single and rose-cut diamonds, between bifurcated shoulders, mounted in silver and gold, diamonds approx. 1.30cts total, ring size K
注脚
Accompanied by a report from The Gem & Pearl Laboratory stating that the pink star sapphire is natural and shows no evidence of heat treatment. Report number 16768, dated 29th January 2019.