A platinum ring centering a 5.50 carat Burmese brilliant step-cut square cushion natural corundum sapphire measuring approximately 9.90mm x 9.45mm x 6.30mm with no signs of heat treatment, accented by thirty-seven round brilliant-cut diamonds. Diamonds are near colorless (F - G), with VS clarity. Total estimated weight of diamonds: 1.00 carat. Sapphire accompanied by GFCO Gem Lab Gemstone Identification Report Number: AA8346K.