This icon is a part of a collection of Deltohedron flat icons produced by Icons8. Icons follow the guidelines of iOS, Windows, and Android and are designed by a single designer, guaranteeing the consistent quality. Both PNG and vector are available.
This logo is shaped like an object but it is not easy to explain. It almost looks like some kind of jewel and has many sides to it. The number ten is written on the top of it and maybe it has ten sides.