This adjustable and fixed dual-use ring holder for stone setting is specially designed for jewelry gemstone setting craft, combining flexible adjustable style and stable fixed style. The adjustable type fits rings of different sizes and allows free adjustment of clamping tightness, while the fixed type achieves high-precision positioning, ensuring no shaking or displacement of rings during stone setting, perfectly fitting gemstone positions, and effectively improving stone setting accuracy and finished product aesthetics. Made of wear-resistant and anti-slip material, it won't scratch the ring surface, suitable for various ring stone setting, jewelry inspection and fine processing scenarios, an indispensable professional auxiliary tool for jewelry studios and handmade artisans.