This is an elegant platinum engagement ring by Black Starr and Frost. The ring is centered with a sparkling GIA certified old mine cut diamond that weighs 0.81ct. The color of the diamond is G with VVS2 clarity. The center diamond is accentuated by round cut diamond accents. The top of the ring measures 10mm by 15mm. The ring is stamped B.S.&F and weighs 3.9 grams. The ring is size 6 3/4 but it can be resized.