Review for Desert Diamond Casino I-19 Review For Diamond Grill Google User Feb 23 '11 at 4:21 I have gotten sick EVERYTIME I have ever eaten at the grill. Have decided enough is enough. If you go there to drink and ever have to take a leak (BE WARNED) Absolutely the nastiest bathroom in Tucson. You would be better off using the back ally to do your business. As for service, Place is like lord of the flies. It also takes them around an hour and a half to make a hamburger. Eat elsewhere. View full site to comment or like