A ruby and diamond cluster ring

A ruby and diamond cluster ring <BR> The oval cabochon ruby, <I>weighing approximately 6.48 carats</I>, in a brilliant-cut diamond surround with tapered baguette-cut diamond shoulders, to a plain hoop, <I>finger size N</I><BR> <I>Accompanied by report no. GRS2011-090190T, dated 16th September 2011, from the Gem Research Swiss Lab, stating that the ruby showed no indication of thermal treatment, and was found to be of Burmese (Myanmar) origin</I> <BR>