Gold-tone ring with bezel-set black stone in a Victorian-style setting

This item is a ring featuring a central oval-cut black stone, bezel-set within an ornate, scalloped decorative border. The setting is consistent with Victorian or Edwardian revival styles, characterized by the beaded or 'milgrain' texture and scrolling openwork around the central cabochon. Based on the visual evidence, the metal appears to be gold-toned; however, without a legible hallmark or physical testing, it cannot be determined if it is solid gold, gold-filled, or plated base metal. The stone appears to be consistent with materials such as onyx, glass, or jet. The band is relatively slim and plain compared to the decorative head of the ring. There is a slight visible stamp on the inner band, but the text is illegible from the image provided, preventing a specific maker attribution. The overall craftsmanship is consistent with mid-to-late 20th-century costume jewelry or vintage-style fine jewelry. Minor surface wear and darkening in the recessed areas of the metalwork suggest age-related patina or intentional antiquing to enhance the detail of the metalwork. Since no manufacturer's mark is clearly readable, the identification is based on stylistic characteristics rather than provenance.

I have examined the provided image of the gold-tone ring featuring a bezel-set black stone in a Victorian-revival style. Based on what I can see, the head of the ring displays ornate milgrain and scrolling openwork consistent with mid-to-late 20th-century costume or vintage jewelry. I cannot verify from a photo whether the metal is solid gold or a plated base metal, though the wear patterns and darkening in recessed areas suggest a possible gold-filled or plated composition with an intentional antiqued finish. The stone exhibits the deep luster associated with onyx or polished glass. My valuation of $65 to $150 is based on the assumption that this is a quality vintage-style fashion piece or gold-filled item. While the inner band bears a mark, it is illegible in the photo; a physical inspection to verify the hallmark is essential for a precise valuation. If the metal were confirmed to be 14k or 18k solid gold, the value would increase significantly based on intrinsic weight and market demand for fine jewelry. Conversely, if it is confirmed as a contemporary base-metal reproduction, the value would likely fall below $30. General market demand for Victorian-style 'mourning' jewelry remains steady, particularly among collectors of retro and revivalist pieces. To confirm a more specific value, I would need an in-person examination to perform an acid test for metal purity, use a refractometer to identify the stone, and utilize a jeweler’s loupe to decipher the maker's mark. At this time, the value reflects the item's aesthetic appeal and stylistic merits as a vintage-style accessory.