I wore this for a bit and it turned a blue-green and then a blue, so it didn't go through all the colors but my mood was good. It is adjustable and will fit from a 5 to a 9 and everywhere in between. Silver tone metal. The stone measures ½ across and ¾ top to bottom. New on card. I'm sure this is a 1990s version of the 1970s original concept.

**A note on measurements: I like to give measurements on items rather than a numerical size as I find this to be a much more precise way of determining size. If the garment I have measures the same as a garment you have, you can be assured of a good fit. If you have any questions about how I did the measuring just email! PS don't forget YOU must measure at least 1-2 inches smaller than the garment does for comfort! :)