This is a fused Dichroic Glass Ring, the glass is fused with multiple micro-layers of metal or oxides. This makes beautiful stronger and stunning glass. This ring is very well made the top is 1 1/2 inch long and the glass is cradled in a wide strip of silver, at least 1/4 inch wide and then it is set on a silver table almost 3/4 of an inch wide, with openings on the bottom. The shank of the ring is 1/4 inch wide. The ring is a tight 6. The colors go from blue to gold. A beautiful and different ring. The glass is protected by all the silver. From the High Plains of Kansas!!