18k white gold. Set in the center in four prongs is a round brilliant diamond that weighs approximately 1.01 ct. The clarity is I1 and the color is G. Shared prong set around the center diamond are 18 full cut diamonds. Shared prong set down each side of the shank in two rows are 5 full cut diamonds (total 20). The clarity of the side diamonds is SI2-I1 and the color is G-H. The total approximate diamond weight for the ring is 1.34 ct. The ring is a size 6 1/2. The total approximate gold weight is 2.45 dwt.