AI Appraisal Estimate

This is a vintage Art Deco style cocktail ring featuring a prominent oval-shaped camphor glass centerpiece. The ring is constructed of 10k white gold, as indicated by the reported '10k' marking and the cool, silvery luster of the metal. The centerpiece is made of frosted/etched camphor glass, a type of treated rock crystal or glass popular in the early 20th century. It features a classic reverse-carved sunburst or starburst pattern on the underside, which provides depth and visual interest through the translucent material. In the center of the glass is a bezel-set, diamond-shaped white metal plaque containing a small single-cut diamond or white stone, a signature design element of the era. The oval glass is surrounded by a decorative scalloped border with milgrain detailing and four small cross-hatched floral motifs. The ring is a size 8 and weighs approximately 3 grams. The condition appears excellent with no visible chips to the glass or significant wear to the white gold band. The craftsmanship exhibits the fine filigree and geometric precision typical of the 1920s-1930s Art Deco period.

I have virtually examined this Art Deco camphor glass ring, weighing 3 grams and marked 10k white gold. Based on the visual evidence, the piece displays the hallmarks of original 1920s-1930s craftsmanship, specifically the reverse-carved sunburst pattern and the central diamond-shaped milgrain plaque. The condition appears to be excellent; the lack of 'flea bites' or chips on the frosted glass edges significantly preserves its value, as these components are difficult to replace. The market for camphor glass remains steady among Art Deco collectors. Comparables for 10k gold examples typically range from $300 to $600 depending on the complexity of the filigree. While the 3-gram weight is standard for the era, the size 8 is a desirable modern size, increasing its retail liquidity. The presence of a genuine single-cut diamond versus a glass paste or synthetic spinel in the center would push this to the higher end of the valuation range. Limitations: This appraisal is based on photographic evidence and descriptions. I cannot definitively verify the gold purity without a Portsmouth/Acid test or XRF analysis. Additionally, while the material is described as 'looks like quartz,' it is likely treated glass; a gemological refractometer test would be required to distinguish between true rock crystal and camphor glass. To confirm the value, the central stone must be tested with a diamond probe to determine if it is a natural diamond or a period-accurate substitute. No provenance was provided, which could further influence historical value.