composition: solid 925/00 silver with real yellow rose gold plating. surface with oblique diamond cuts which make them particularly bright external diameter approximately 12.7mm (small). Width of the diamond surface: 4mm the surface of the earring is entirely diamond-cut by hand around the entire circumference. For sale: single earring, i.e. a single earring for men or women, can be used for additional holes snap closure With dust bag and NALBORI certificate of authenticity * information on use: Yellow and rose gold are baths, that is, layers of galvanic applied to the jewel. Over time or in contact with very corrosive elements they tend to fade and the treated parts tend to return to the color of silver. It is recommended to follow the instructions for use sent with the jewel.