Handmade Borosilicate Silver fumed vortex Glass With Handmade 925 Sterling Silver and 9K Gold Ring. This small silver vortex glass stone is made on a torch using silver fuming , manipulating the fumes to create a vortex effect. Ring is also handmade and using 925 sterling silver and 9K Gold. Glass Diameter :1.4cm(0.55inch) Metal: Borosilicate Glass Sterling Silver & 9K Yellow Gold. You can choose the Glass Stone: Red galaxy / Blue galaxy / Green galaxy/ Black galaxy/ Light Blue galaxy / 24kGold fumed vortex / Silver fumed vortex Please note all the glass stones are handmade and I will do my best to make the glass as same as a picture. Your satisfaction is guaranteed,If for any reason you are not satisfied with your purchase please contact me .