Sterling Silver Ring with Large Faceted Black Stone

This item is a ring featuring a prominent, large, square-cut black stone set in a plain, polished silver-toned metal band. The stone itself appears to be a faceted gem, possibly onyx, obsidian, black spinel, or a similar opaque black material, exhibiting a high degree of luster and reflecting light from its surface. The facets are clearly visible, suggesting a quality cut designed to maximize brilliance. The stone is held securely by what appear to be four sturdy prongs at each corner, crafted from the same silver-toned metal as the band. The setting is relatively high, elevating the stone above the finger, implying a bold and prominent design. The band itself is simple and appears to be made of polished sterling silver or a similar white metal, with no discernible engravings or embellishments on the visible portions. The overall construction suggests a robust and classic design, possibly dating from the mid-20th century to contemporary. There are no obvious signs of significant damage such as chips, cracks, or deep scratches on the stone, though minor surface wear consistent with age and use may be present but not clearly visible in the image. The metal shows a polished finish, with no heavy tarnishing or major dents apparent. The craftsmanship appears to be of good quality, focusing on the stone's presentation and a durable setting.