Mix and match clothing fashion reflects a person's skill mix and match the same rings true. If you put the years just wearing a diamond ring, do a little lack of new ideas, why not try the other ring and ring wear with that stack. Note that different ring styles and colors of unity between, for example, is a platinum diamond ring, if asked, then ring the other hand only proposal also choose cold color scheme. The ring is also necessary to distinguish between the primary and secondary, the other ring must be visually foil and set off a diamond ring, do not distracting.