To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
I bought two of these for my twin boys and within a month both tarnished and the crosses broke off. The sellers return period is only 30 days so since I can't return for refund or exchange I'm letting my experience be known.