AI Appraisal Estimate

This is a vintage jewelry set comprising a brooch and a pair of matching clip-on earrings, all adorned with blue rhinestones. The brooch features a central round, faceted, deeply saturated sapphire-blue rhinestone, prong-set, from which emanates a fan-like arrangement of eight marquise-cut rhinestones. These marquise rhinestones are a lighter, somewhat grayish-blue hue and are also prong-set to a metal backing, likely a silver-tone or rhodium-plated base metal, as suggested by the visible prongs and part of the setting. The earrings mirror the design of the brooch, with each earring having a central round, faceted, deep sapphire-blue rhinestone flanked by two lighter blue marquise-cut rhinestones. All stones are prong-set on what appears to be a matching silver-tone base metal. The overall construction implies a mid-20th-century costume jewelry aesthetic, possibly from the 1950s or 1960s given the style and use of rhinestones. Visible condition issues include some possible dulling or minor scratches on the rhinestones consistent with age and wear, though their sparkle is largely intact. The metal settings show some signs of age, possibly minor tarnishing or plating wear, but no significant damage like bent prongs or missing stones is immediately apparent. The craftsmanship appears to be typical for vintage costume jewelry, with individually set stones creating an attractive and cohesive design.

Upon examining the provided image and description, I have evaluated this vintage blue rhinestone brooch and matching clip-on earring set. The set presents a classic mid-20th-century design, likely from the 1950s or 1960s, characterized by its prong-set rhinestones in contrasting shades of blue on a silver-toned base metal. The condition appears to be good for its age, showing some minor wear, such as slight dulling or surface scratches on the rhinestones and potential minor plating wear, which is consistent with vintage costume jewelry. There are no missing stones or significant structural damage visible from the image. The market for unsigned vintage costume jewelry of this type is active but generally modest. Similar sets are relatively common. The primary value drivers for this piece are its aesthetic appeal, completeness as a set, and good vintage condition. Comparables, such as unsigned rhinestone demi-parures from this era, typically sell in the $40 to $70 range in online marketplaces and at antique shops, depending on condition and design complexity. The value is limited by the fact that it is unsigned costume jewelry, crafted from base metal and glass rhinestones rather than precious materials. Its value is purely decorative and collectible. Without physical inspection, I cannot confirm the maker, the specific metal composition, or the type of glass used for the rhinestones. A full authentication would require in-person examination to check for any maker's marks, test the metal, and assess the stone quality and setting integrity more closely.