Zirconia x Open Heart Design Since the material was given to me, I am an amateur and cannot be certain. The chain part looks like platinum and sparkles. Unused item. Neck circumference approximately 40cm. I think it can be used for weddings, etc. ★ Please note that there is no case. Zircon is also a stone that can soothe and absorb suffering and hidden inner conflicts. Zircon Zirconia Women's Necklace Power Stone Heart Necklace Stone Market Christmas Gift