Marquise diamond engagement and wedding ring set (unverified)

This jewelry piece consists of a two-piece ring set worn together on a finger, featuring a yellow gold or yellow-toned metal band and setting. The primary stone is a marquise-cut diamond or diamond-like gemstone held by V-prongs at both pointed ends. The engagement ring shoulders and the accompanying flush or contour wedding band are channel-set or pave-set with a series of smaller round brilliant-cut accent stones, creating a continuous sparkling row along the curved bands. The metal appears polished with minor surface wear consistent with everyday use. There are no maker's marks, hallmarks, or brand logos clearly legible from the provided photograph, so the specific precious metal purity, stone carat weight, and manufacturer remain entirely unverified. The overall style suggests a mid-to-late 20th century or contemporary commercial design often associated with bridal ring sets, but materials and craftsmanship quality cannot be fully assessed without physical inspection and testing.

Based on what I can see in the photograph, this jewelry piece appears to be a two-piece bridal ring set featuring a marquise-cut center stone and channel or pave-set accent diamonds in a yellow-toned metal band. The overall styling suggests a mid-to-late 20th century or contemporary commercial design. However, I cannot verify the precious metal purity, exact stone carat weight, cut grade, color, clarity, or even whether the center stone is a mined diamond, laboratory-grown diamond, or a simulant from a visual assessment alone. There are no maker's marks or hallmarks clearly legible to me, meaning the manufacturer remains unverified. I would need physical inspection, microscopic examination, and gemological testing to confirm these material qualities. Assuming the center stone is a diamond of moderate quality and the metal is standard 14k or 18k yellow gold, comparable bridal ring sets of this style typically trade within the $1,500 to $3,000 range in the secondary market, driven by steady demand for classic wedding set designs. If the piece turns out to be plated metal with cubic zirconia or synthetic simulants, or if it is determined to be a modern replica, the value would decrease significantly, likely falling into the $150 to $350 range based purely on scrap metal value and fashion jewelry utility. To fully establish the value and material composition, an in-person expert appraisal involving professional gemological testing and hallmark verification would be required.