AI Appraisal Estimate

This is a large, high-quality decanter stopper crafted from clear cut crystal, likely dating from the mid-20th century. The piece features a prominent globular or ball-shaped head extensively worked with geometric diamond facets that maximize light refraction and brilliance. Below the faceted globe, the neck is cut with vertical facets that taper down toward a smooth, ground glass plug base. The ground finish on the lower plug indicates it was designed to create an airtight seal with a matching decanter bottle. Physically, the item appears to be roughly 5 to 6 inches in length, exhibiting the heavy weight and clarity characteristic of lead crystal. The craftsmanship shows precise, sharp edges on the facets, suggesting a reputable manufacturer such as Waterford or Baccarat, though no specific acid-etched maker's mark is immediately visible in the image. The condition appears excellent with no major chips, cracks, or clouding (sickness) visible in the glass, and the edges of the facets remain crisp. There is slight evidence of use-related wear on the ground portion of the plug, which is typical for vintage glassware. The style is classic and formal, fitting for a traditional barware collection.

Based on my visual examination of this faceted cut lead crystal decanter stopper, I find the piece to be a high-quality replacement part or stand-alone decorative object dating to the mid-20th century. My inspection reveals exceptional clarity and sharp, machine or hand-polished geometric diamond facets that suggest a lead content of at least 24%, typical of premium manufacturers like Waterford or Stuart Crystal. The condition is excellent; the facets exhibit no significant chipping, and the ground glass plug shows only minor shelf wear consistent with light use. The lack of a visible acid-etched mark slightly limits the ceiling value but does not detract from the item's inherent craftsmanship. In the current secondary market, there is a consistent demand for high-quality stoppers from collectors looking to complete period decanters or for use in professional bar staging. Comparable sales for unmarked lead crystal faceted stoppers of this size range from $40 to $90. The value is primarily driven by the 'ball and neck' cut style, which is highly sought after for its light-refracting properties. Please note that this appraisal is based on photographic evidence. A definitive attribution to a specific maker would require a tactile inspection for weight density and the presence of a signature often found on the very tip of the plug or within the facet patterns. To fully authenticate this as a specific brand (e.g., Baccarat), one would need to cross-reference dimensions with historical catalog specifications or provide original provenance documentation. Without a matching bottle, the item is categorized as a replacement component, which limits the valuation compared to a full set.