Vermeil Masonic Rings – 24k Gold Plated 925 Sterling Silver Simulated Blue Sapphire 3 degree Masonic Blue Lodge Ring Solid Back Large Masonic Ring features a satin finish and the Square and Compass Masonic Symbol on the top of the stone. A solid back ring means added weight and comfort. 23k Gold is plated over a solid .925 sterling silver ring for a look all it’s own.