Two-Tone Square Bezel-Set Gemstone Ring with Diamond Halo

This is a substanial cocktail or statement ring featuring a large, square sugarloaf-cut or steep cabochon gemstone in a deep forest green hue, possibly an emerald, jadeite, or green tourmaline. The central stone is securely housed in a thick, polished yellow gold bezel setting. Encircling this primary setting is a tiered square halo crafted from a white metal, likely platinum or white gold, which is pav-set with numerous small, round brilliant-cut diamonds. The tiered architecture of the ring head suggests a Mid-Century Modern or late 20th-century influence, focusing on geometric symmetry and mixed metal aesthetics. The visible portion of the band appears thick and commensurate with the heavy weight of the head. Regarding condition, there is visible surface wear to the metal, particularly on the gold bezel which shows fine scratches and a slight dulling of the polish. The green gemstone shows some internal inclusions and potential surface abrasions consistent with regular use. No maker's marks or hallmarks are visible in the photograph, but the craftsmanship level indicates professional jewelry production. The overall design displays a high-quality approach to modern formal jewelry.