This 7mm Damascus Steel Band has an ACID FINISH a 2mm Off Center inlay with a deep 14K ROSE GOLD and SHAKUDO a gold/copper alloy) that is twisted together to obtain the design. This ring also has a 2mm vertical 14K Rose Gold inlay and a .10 carat BLACK DIAMOND set into the band. Each ring is custom made and the pattern unique, so no two rings are exactly alike. Damascus Steel rings are very desirable. Your ring comes with a COMFORT-FIT for extra satisfaction. Our DAMASCUS rings WILL NOT RUST OR TARNISH.