When a customer looking to buy an NBA championship ring for his fiancée insists on testing the diamond himself, Rick comes through with a reluctant assist in this clip from "Another Christmas Story". #PawnStars Subscribe for more from Pawn Stars: http://po.st/SubscribeToPawnStars Find out more about the show and watch full episodes on our site: http://po.st/History_PawnStars Check out exclusive HISTORY content: History Newsletter: http://po.st/HistoryNewsletter Website - http://po.st/HistoryWeb Facebook - http://po.st/HistoryFacebook Twitter - http://po.st/HistoryTwitter" "Pawn Stars" follows three generations of the Harrison family as they assess the value of items coming in and out of their Gold & Silver Pawn Shop in Las Vegas, from the commonplace to the truly historic.