What gift did Veronica give Alison during their last visit in the novel, Veronica?

On Alison's last visit to see Veronica before Veronica died, Veronica gave her a ring with a carnelian stone in it. Carnelian symbolizes individuality, creativity, and courage. It was Veronica's wish that Alison would use these qualities to build a creative, courageous life and that she would be true to herself while doing it.