3rd Degree Masonic Blue Lodge Ring 10KT or 14KT Solid Back. On the edges of the rings you can have mounted either CZ's, Moissanite or genuine diamonds. Add up to a .25ct center stone. As shown, this ring has a White Gold Top and the shank is Yellow Gold. Plumb and Trowel on the sides of the shank. This ring is approximately 5/8 inches wide x 3/4 inches. Plumb and trowel on the sides of the shank.