Platinum Unheated Ruby and Diamond Flower Ring: 3.00-carat cushion-cut natural ruby, 8.46 x 7.61 x 4.58 mm No indication of heat treatment (FTIR-tested) Pinkish-red color, from Mozambique 4.20 carats total weight of diamonds in the halo Pear-shaped diamond petals, each framed in pavé Ruby held in yellow gold prongs; pavé split shank Platinum Size 6 GRS report GRS2016-080899