AN EARLY 20TH CENTURY SINGLE-STONE DIAMOND RING

AN EARLY 20TH CENTURY SINGLE-STONE DIAMOND RING The cushion brilliant-cut diamond weighing approximately 6.33 carats, raised in a pierced gallery, to millegrain-set single-cut diamond shoulders and polished hoop, circa 1920, ring size O <i>Accompanied by report no.5172226540 dated 14 July 2015 from the GIA Gemological Institute of America, stating that the 6.33ct diamond is Very Light Pink, SI1 Clarity, with no fluorescence</i> <i></i>