Paint your nail white.
Using the thin brush and the color that matches your graduation gown, paint a rhombus in the middle of your nail.
Paint the base of your cap a bit lower, leaving a tiny white gap in between.
With the thin brush and black nail polish draw your graduation year underneath. Add words “class of” above.
Draw a white line from the center of your rhombus and then lead down, paint a little tassel in the end. Draw a dot in the middle of your cap.
Apply top coat.