AI Appraisal Estimate

This is a vintage-style circular brooch, approximately 1 to 1.5 inches in diameter, featuring an ornate mix of materials and stone cuts. The piece is constructed on a circular yellow gold-toned metal base, likely gold-plated or costume-grade base metal. It features a fan-like array of baguette-cut stones in a deep ruby-red hue, arranged around the outer perimeter in a tiered, sunburst fashion. These contrast with two prominent clusters of round-cut clear stones, likely rhinestones or cubic zirconia, which are set in silver-toned prong mountings (rhodium-plated or white metal). The clear stones are arranged in dense 'bouquets' that overlap the ruby baguettes, creating a sense of three-dimensional depth and dynamic movement. The style is reminiscent of mid-20th-century costume jewelry, specifically the Retro Hollywood Regency era (1940s-1950s). In terms of condition, the metal shows significant wear; the yellow gold plating is rubbing off in several areas, revealing a duller base metal beneath. Some of the clear stones show signs of graying or slight discoloration, which is typical of aging foil-backed rhinestones. No maker's mark is visible from the front perspective, but the craftsmanship utilizes traditional multi-level prong setting techniques typical of mass-produced yet high-quality period costume jewelry.

I have conducted a visual examination of the vintage circular cocktail brooch. This piece is a classic example of late-1940s to early-1950s Hollywood Regency costume jewelry. The 'Retro' aesthetic is defined by the high-contrast pairing of ruby-red baguette glass stones and round clear rhinestones in a tiered, three-dimensional spray. Upon my inspection, the condition is fair to good. Significant 'brassing' is evident where the gold-toned plating has worn away to reveal the base metal. Additionally, the graying in the clear chatons suggests moisture infiltration affecting the foil backing, a common sign of aging in vintage costume pieces. The market for unsigned mid-century costume jewelry is currently saturated, though demand remains steady for wearable 'cocktail' styles. Comparables from manufacturers like Coro or Trifari (unsigned versions) typically sell within this range; however, the lack of a visible hallmark and the evident metal fatigue prevent a higher valuation. Without a physical inspection, I cannot definitively confirm lead or nickel content, nor can I test the stones for mohs hardness to rule out synthetic spinel or corundum. A full authentication would require an in-person loupe examination of the reverse side for hidden manufacturer symbols and a verification of the pin mechanism’s tension. For insurance purposes, the value is based on the current secondary market for vintage accessories in 'as-is' condition.