This luxury square signet gemstone ring 3D model features a bold masculine design with a prominent square top and a round-cut center stone secured in a solid prong setting. The geometric face is enhanced by clean architectural lines, giving the ring a powerful and prestigious appearance.

The wide tapered shank is decorated with refined surface detailing, adding depth and visual strength while maintaining balance and comfort. Clean topology, precise stone seats, and well-defined edges make this model fully suitable for casting, rendering, and professional manufacturing. All dimensions, stone sizes, and construction details are clearly shown in the preview images for accurate technical assessment.

This model is optimized for production in gold, silver, or platinum and can be customized with diamonds or colored gemstones such as emerald, ruby, or sapphire. Ideal for jewelers and designers seeking a bold signet-style ring with strong commercial appeal and luxury aesthetics.