A LATE 19TH CENTURY DIAMOND BROOCH

A LATE 19TH CENTURY DIAMOND BROOCH The principal cushion shaped old-cut diamond centre to a similarly-set diamond cluster border, suspending a pear shaped diamond drop weighing approximately 3.64 carats, mounted in silver and gold, pin fitting, circa 1880, 3.2cm, <i>drop detachable</i> <i>Accompanied by report no.5171926066 dated 6th October 2016 from the GIA, Gemological Institute of America, stating that the 3.64 carat diamond is D colour, VS2 clarity, with no fluorescence </i>