2 inch .925 sterling silver earrings with earwires. Geometric designs in jewelry often involve shapes like circles, squares, triangles, or other polygons. These designs can be sleek and modern or incorporate more intricate patterns. Granulation is a decorative technique in jewelry-making where small grains of metal (often spheres) are arranged in patterns and fused to the surface of the jewelry. This can create a textured and intricate appearance.