This vibrant turquoise blue sea glass is not to be believed.  The sea glass and its silver shell is approximately 17mm by 18mm and is set on a sterling silver double ring band.  This ring will fit a size T (US size 10). Please be aware that the colours displayed on computer monitors may differ from the actual piece due to variations in screen settings. If you are interested in a particular piece, I would be happy to send you a photograph for a more accurate representation.