A SPINEL AND DIAMOND RINGA SPINEL AND DIAMOND RINGSet with a cushion-shaped red spinel, weighing 6.08 carats, surrounded by rose-cut diamonds and decorated by hexagonal and triangular-cut spinels; estimated total diamond and remaining spinel weight 5.10 and 1.65 carats respectively; mounted in 18k white and yellow gold; size 6¼Accompanied by a GRS report stating that the natural spinel originates from Burma (Myanmar), vivid red colour, with no indication of thermal treatment. Report #GRS2019-071403, dated 10 July 2019.6.08克拉天然未經加熱處理緬甸尖晶石配鑽石戒指鑽石及其餘尖晶石分別共重約5.10及1.65克拉,戒圍6¼,附GRS證書