Review for Desert Diamond Casino & Hotel - Nogales Highway Review For The Diamond Grill Google User Apr 6 '16 at 19:40 Ive worked here for along time something like 4years and it was an amazing steakhouse until they ruined it by making it the same thing as the grill they have.. its not soppose to be like fast food but slower. Its ok and the best server is difinitly Richard Romero. View full site to comment or like