This stunning pendant necklace features a natural black onyx stone set in sterling silver with marcasite accents. The oval-shaped pendant exudes elegance and sophistication, making it a perfect statement piece for any jewelry collection. The 925 sterling silver metal purity ensures a high-quality and timeless accessory, ideal for both formal and casual wear. Elevate your style with this gorgeous necklace that combines classic elegance with a touch of edginess from the marcasite detail. This necklace is adjustable.