A RUBY AND DIAMOND RINGA RUBY AND DIAMOND RINGSet with an oval-cut ruby, weighing 2.47 carats, within a round brilliant-cut diamond surround; estimated total diamond weight 3.10 carats; mounted in 18k white and yellow gold; size 6¾Accompanied by a GRS report stating that the natural ruby originates from Burma (Mogok, Myanmar), red colour, with no indication of thermal treatment. Report #GRS2016-110816, dated 9 January 2017. Accompanied by a Lotus report stating that the natural ruby originates from Myanmar (Burma), red colour of intense saturation and medium tone, with no indications of heating/treatment. Report #4431-0470, dated 22 July 2016. 2.47克拉天然未經加熱處理緬甸抹谷紅寶石配鑽石戒指鑽石共重約3.10克拉,戒圍6¾,附GRS及Lotus證書Please note that the report is over five years old and may require an update.請注意上述證書發行達五年以上,或須更新