\documentclass{standalone}
\usepackage{tikz}
\usepackage{shapes}
\begin{document}
\begin{tikzpicture}
\foreach\k in{1,...,4}{
\foreach\l in{1,...,4}{
\diamond{cyan}{(\k+\l,\k-\l)}
}
\end{tikzpicture}
\end{document}