Cotton Thread Diamond by The Things She Makes
We have seen tribal patterns and geometric shape designs, and now the latest trend is diamonds. The 3D and 2D diamonds are created using different kinds of textures, medias and techniques.
Hanging diamonds by Sugar and Cloth
Concrete diamond by AMM Blog
If you are into origami, you can try to fold these paper diamonds from minieco.
Download the template and make your own little paper diamonds. :)