Vintage Filigree Negligee Necklace with Green Crystal and Faux Pearls

This is a vintage-style negligee necklace, likely dating from the early to mid-20th century, specifically evoking the Art Deco or Edwardian revival aesthetics. The centerpiece features a large, faceted oval light green stone, possibly glass or a synthetic spinel, bezel-set within a scalloped silver-tone metal frame. Directly above the pendant is a decorative, triangular filigree metal piece which connects to the chain. The necklace is constructed with a delicate link chain that incorporates several small cream-colored faux pearls (simulated pearls) spaced along the lower portion. The metal appears to be a silver-toned base metal or sterling silver, showing significant aged patina and localized tarnish, particularly in the recessed areas of the filigree and the pendant frame. The clasp is a traditional box-style slide or fishhook clasp, which displays decorative engraving. There are visible signs of wear consistent with age, including minor surface scratches on the green stone and some dulling of the pearl luster. The craftsmanship is indicative of mid-range costume jewelry from the 1920s-1940s eras, focusing on delicate lace-like metalwork and colorful glass accents.

I have conducted a visual inspection of this vintage negligee necklace, which demonstrates stylistic hallmarks of the Art Deco era (circa 1920s-1930s). The item features a characteristic drop-length design with a faceted green glass centerpiece and faux pearl accents. Based on the visible patina and construction of the filigree and box clasp, I estimate this to be a piece of mid-century costume jewelry produced as an Edwardian revival or late Deco piece. The condition shows age-appropriate wear; however, the dulling of the pearl luster and significant tarnish on the base metal suggests it was not manufactured from precious materials like Sterling silver or gold, which limits its ceiling in the collector's market. Current market conditions for unsigned costume jewelry of this era remain stable, though buyers increasingly look for 'mint' condition or identifiable designer marks (such as Trifari or Miriam Haskell), which this piece appears to lack. This item's value is derived primarily from its aesthetic appeal and the 'negligee' silhouette, which is currently popular in the vintage bridal market. Limitation Note: This appraisal is based strictly on photographic evidence. A formal valuation requires in-person testing to confirm metal content (via acid testing) and stone identity (via refractometer). Without a physical inspection, I cannot rule out that the metal is silver-plated brass or that the green stone is a synthetic spinel. Provenance or an original box would further refine the valuation. My estimate reflects the current fair market value in a secondary retail or online auction setting.