A natural pearl and diamond brooch, circa 1890The cluster of old brilliant-cut diamonds issuing an oval-shaped 8.5mm x 12.0mm natural pearl, between a pair of similarly-cut diamond wings, diamonds approx. 1.70cts total, later gold plating and brooch fitting, length 6.5cm注脚Accompanied by a report from The Gem & Pearl Laboratory stating that the pearl is natural, saltwater. Report number 18207, dated 20th December 2019.