Thank you, texas*princess, for scrounging up this beautiful photo of the front of the Phi Chapter of Alpha Delta Pi, at Hanover College:
It was linked in the thread on Pin/Badge Lights. Many fraternities and sororities have a light above their door, either in the shape of their pin, or their letters. When my chapter had a house (before the University forced the sororities into a dorm), we had such a light, and part of my senior class's project was to refurbish it. It was a hollow wooden box, with holes for the "pearls" and Christmas lights cemented into the holes. Easy to change the bulbs, easy to plug in, easy to amaze. If you ever have an opportunity to make one or have one made, our beautiful diamond is easily made, and it truly looks lovely.
Now, fellow Sisters, look carefully at the Phi house pin sign - what's wrong with this picture?