Art Deco Style Geometric Diamond Stud Earring

This item is a single stud earring featuring a small, brilliant-cut clear stone, likely a diamond or a high-quality substitute, set within a geometric yellow gold mounting. The setting is a squared-off, lozenge-shaped bezel that creates a tailored, Art Deco-inspired silhouette. In terms of physical characteristics, the earring is diminutive in size, suitable for either a primary or secondary lobe piercing. The metal appears to be a high-karat yellow gold based on its rich, warm hue. The construction utilizes a classic bezel setting which secures the stone flush within the metal frame, providing both protection for the stone and a clean, modern aesthetic. While no hallmarks are visible in the photograph, the craftsmanship suggests a late 20th-century to early 21st-century manufacturing date, mimicking the geometric styles of the 1920s. Regarding condition, the earring shows slight signs of wear consistent with regular use, including very fine surface scratches on the metal mounting. There is no visible damage to the tabletop or facets of the stone. The post is straight and appears to be integrated directly into the back of the setting. The quality of the stone shows decent fire and brilliance even in natural indoor lighting, suggesting good clarity and cut.

Based on my visual examination of this single Art Deco-inspired stud earring, I have assessed its value within the current secondary market for fine estate jewelry. The piece features a high-karat yellow gold lozenge-shaped bezel setting, housing a circular brilliant-cut stone. While the stone exhibits commendable fire and clarity, I cannot definitively categorize it as a natural diamond versus a high-quality lab-grown stone or moissanite without thermal conductivity testing. The craftsmanship reflects a modern homage to the 1920s geometric era, likely produced in the late 20th century. The condition is excellent, showing only minor 'fleur de coin' surface abrasions consistent with light wear. The primary value-driver is the gold content and the 'single earring' market, which typically caters to individuals seeking replacements or those with multiple piercings. However, the lack of a matching pair significantly limits the overall valuation compared to a full set. This appraisal is based solely on photographic evidence and constitutes a preliminary estimate. To finalize this valuation and confirm authenticity, a physical inspection is required to verify metal hallmarks (750 vs 585 gold), perform a microscopic diamond grading to check for inclusions or laser inscriptions, and weigh the item on a calibrated jeweler's scale. Market demand for such geometric singles remains steady, particularly among collectors of minimalist and vintage-revival styles.