This necklace is made of rhodium-plated .925 sterling silver and has a 41.40mm cable chain. It features a genuine Swiss Blue Topaz weighing 6.10ctw that is securely set on the pendant. The rhodium plating protects the necklace and keeps it shiny. The pendant is designed to enhance the blue hues of the topaz. It's perfect for any occasion and adds elegance to your look.