Platinum, channel set round cut diamond eternity ring. There are about 18 round brilliant cut diamonds set in a channel. The diamonds are about 3.6 carats total weight, SI2 in clarity and G-H in color. Diamond count and weight may vary depending on the size selected. The information provided here is based on a size 7 ring. The ring is about 5.0 mm wide and 3.0 mm thick.