A sterling silver onyx pendant necklace with a rectangular black onyx stone held by slim prongs at its edges. The open setting lifts the stone away from the metal, letting its matte black face read clearly against the bright silver. Black onyx has long been carried as a stone of protection and grounding, woven here into a clean, modern rectangle. The reverse can be monogrammed, making it personal. It hangs at the chest from a sterling silver curb chain. The polished setting holds its brightness through regular wear. Wear it on its own or layered with other silver pendant necklaces.