AI Appraisal Estimate

This is a vintage starburst or sunburst circular brooch, approximately 1.5 to 2 inches in diameter, constructed from a gold-tone base metal. The design features a tiered, multi-level arrangement of faceted ruby red glass rhinestones or simulated garnets. At the center sits a large circular brilliant-cut stone, surrounded by a tight halo of smaller round stones in bead settings. Extending from this central cluster are 16 individual spokes or rays, each terminating in a tiny circular prong-set rhinestone of the same deep red color. The metalwork reflects a mid-century costume jewelry aesthetic, likely dating to the 1950s or 1960s. The stones exhibit a vibrant crimson hue with significant depth and fire when caught by light. The condition appears fair to good; while all stones seem present, there is visible darkening and patina on the gold-tone metal around the prong settings and along the spokes, indicating age-related oxidation. The craftsmanship is typical of high-quality mass-produced costume jewelry of the era, utilizing a complex layered wirework construction to create a three-dimensional effect. No specific maker's marks are visible from the front view, but the style is reminiscent of pieces by manufacturers like Sarah Coventry or Coro.

Based on my visual examination of this vintage starburst brooch, I have identified it as a mid-century costume jewelry piece, likely produced between 1950 and 1965. The construction utilizes a classic tiered gilt-base metal framework with prong-set ruby-colored glass chatons. The design is characteristic of prolific manufacturers such as Coro or Lisner, though the absence of a visible hallmark suggests it may be an unsigned high-quality boutique piece or part of a department store line. The condition is graded as 'Good' for its age; while the stones retain excellent saturation and fire, the metal shows a 'bloomed' patina and localized oxidation on the reverse and settings. This degradation is common for gold-tone plating from this era but prevents a 'Mint' valuation. The market for vintage red rhinestone brooches remains steady due to mid-century modern collectors and 'rockabilly' fashion enthusiasts. Comparable sales for unsigned 1.5-inch starburst motifs generally fall in the double-digit range. Rarity is low, as these were mass-produced, but the layered three-dimensional construction adds slight value. Limitations: This appraisal is based solely on digital images. A physical inspection is necessary to confirm the security of the pin mechanism and to verify that the stones are glass rather than resin or lab-grown synthetics. To fully authenticate a specific manufacturer, I would require a macroscopic view of the pin stem and clasp for any obscured maker's marks or signature stamps. No provenance was provided; documentation of original packaging or retail history would further solidify the valuation.