Diamond Solitaire Bezel-Set Pendant Necklace

This item is a diamond solitaire pendant set in a yellow gold bezel, suspended from a yellow gold snake chain. The central diamond appears to be a brilliant-cut stone, exhibiting good brilliance and fire, set flush within the smooth, polished gold bezel. The bezel setting securely encircles the entire girdle of the diamond, offering excellent protection and a clean, modern aesthetic. The pendant itself is circular, proportional to the diamond, and approximately 10-12mm in diameter judging by its size relative to the US penny placed alongside it for scale. The accompanying chain is a finely crafted snake chain, characterized by its smooth, flexible, and tightly linked cylindrical form, also in yellow gold. The overall condition appears to be good, with some minor surface wear consistent with age and occasional use, specifically some faint scratches on the gold surfaces. There are no obvious signs of major damage, repairs, or significant wear to the chain. The design suggests a style period from the 1970s, which is consistent with the provided context, often featuring clean lines and substantial gold settings. The craftsmanship appears solid, indicating a well-made piece of jewelry, although specific maker's marks are not discernible from the image. The diamond's exact carat weight and clarity cannot be determined without closer inspection, but its round, brilliant cut is evident.