This is a beautiful crystal necklace pendant with a stunning cut. It has high transparency and reflects light with a sparkle. The metal part is stamped with "18kgp". I believe it is likely silver 925, but the metal material is unknown. I think it can be arranged in various ways, such as a pendulum, earrings, or hair accessories. A transparent crystal polyhedron pendant. Power stone. - Material: Crystal - Design: Polyhedron pendant - Color: Transparent - Metal fittings material: Silver-colored metal fittings Thank you for viewing.