People like Voldemort didn’t care about earthly possessions. But what he would care about are items that held significant importance in his life. Just the bit of interactions that I have had with him, I knew that he was the kind of person to do that. It does beg the question.. Why did Harry have one? It was clear that he was going there to kill him. I wonder if the blood ward enacted by Lily Potter caused enough of a disruption to the ritual, causing an unprecedented effect.