The type of ring I was talked about also is about cobalt rings probably because they are a new type of ring and not many people know about them yet it's a pretty hot item off the shelves. They come in awesome styles also colors. They have white cobalt rings that are a shiny bright white and it's a very nice look kind of like a gold color actually or plan the reason. That may have gray cobalt similar to how a tungsten ring might look like those are also very nice. I believe its how black cobalt, in my opinion it's nice how black also but for a wedding ring.