Another one!
http://cgi.ebay.com/ws/eBayISAPI.dll...category=11145
This is white gold, with ruby points, Gamma Delta Chapter (University of Miami, FL), 1951. Current bid is $20.75!!
I found these both under Collectibles:Historical Memorabilia > Fraternal Groups > Fraternity, Sorority then pins (also look under badges).
Good luck!!
honeychile