14K White gold solitaire with a 1.47 carat Natural Green/Blue Sapphire. The sapphire is natural in color, not heat treated. The sapphire is from Madagascar, Hambatu mine. The ring has a unique soft squared shape with a wider base for comfort and to keep the diamond facing up, we call this the U-shank. The wedding band fits into the notch on the side of the setting locking the rings in place together. This ring set is made in a size 6 1/4