Lapis lazuli and silver-tone statement ring

This item is a statement ring featuring a large, oval-shaped cabochon stone that is stylistically consistent with lapis lazuli. The stone displays a deep ultramarine blue hue with visible gold-colored flecks, which may be pyrite inclusions, and light gray patches consistent with calcite. The stone is secured in a plain bezel setting, surrounded by a decorative rope-style or twisted-wire border. The band appears to be made of a silver-toned metal, though it is unauthenticated as sterling without closer inspection; it features a split-shoulder design that integrates into the decorative bezel. On the interior of the shank, there appear to be small rectangular impressions consistent with hallmarks or maker's marks, though they are too blurred in the image to be legibly read or verified. The piece shows signs of wear, including minor surface scratches on the metal and a dark patina or oxidation in the recessed areas of the twisted wire finish. Based on the construction and aesthetic, it is consistent with mid-to-late 20th-century jewelry, possibly of Southwestern or ethnic-inspired design. Without a legible mark, the metal content and specific origin remain a hypothesis requiring in-person testing.

Based on my visual examination of the provided image, I have assessed this statement ring as featuring a cabochon consistent in appearance with lapis lazuli, set in a silver-toned metal mount. I cannot verify the specific metal purity or the mineralogical composition of the stone from a photograph; however, the presence of visible inclusions resembling pyrite and calcite suggests the stone is likely of natural origin. The piece bears blurred impressions on the interior shank that I cannot read, which may be hallmarks or maker's marks. For the purpose of this estimate, I am working under the hypothesis that the metal is sterling silver, though physical testing is required to substantiate this. The value of $45–$85 reflects the typical secondary market range for mid-to-late 20th-century artisan jewelry of this style. If the metal were found to be a non-precious base metal alloy, the value would likely decrease to $15–$25. Conversely, if the marks correlate to a sought-after maker or specific regional workshop, the value could increase. Modern market demand for 'ethnic-inspired' or 'Southwestern-style' jewelry remains steady, though values are heavily influenced by verified material quality. To arrive at a more precise valuation, a physical inspection is necessary to perform an acid or XRF test on the metal, verify the stone's hardness and refractive index, and examine the hallmarks under magnification. This estimate assumes the item is an unattributed piece of the period; any future discovery of provenance or specific designer attribution would necessitate a re-evaluation.