Mens Single Gemstone Stud Earring Black Onyx SilverTheres confidence in simplicityand this single Black Onyx Stud proves it. The deep, polished stone adds just enough edge without ever shouting for attention. Set in cool 925 sterling silver and weighing only 0. 2 grams and a diameter of 4 mm, its so light youll forget its thereuntil someone compliments it. Sleek, minimal, and effortlessly masculine, its the kind of piece that becomes part of you. Strong, understated, and always in style.