18K金镶嵌10.03克拉椭圆形切割红宝石,配镶椭圆形切割钻石,指环尺寸5 3/4 Accompanied by report no. GRS2018-011875 dated 29 March 2018 from GRS stating that the 10.03 carat ruby is of Mozambique origin, with no indication of thermal threatmentAlso accompanied by an appendix to platinum award no. 2228, report no. GRS2018-011875 stating that the 10.03 carat ruby displays a rare combnation of size, excellent color and is spared of themal enhancement. This vivid red Mozambique ruby is reminiscent in color saturation of “GRS-type pigeon blood ruby”