The stone symbol in Between Shades of Gray represents hope, love, and survival for the main characters. For Jonas, the stone Lina gave him helps him recover from scurvy. For Andrius, it is a gift for Lina to remember him by, representing their love. For Lina, the stone signifies her will to survive during difficult times. Both stories show how discoveries can lead to new perspectives and understandings of oneself and others.