Sterling Silver, 22K gold.  A beautiful faceted amethyst with a nice high dome sits on top of a patterned band.  (PLEASE SEE THE VIDEO THAT GIVES A SENSE OF THE SCALE) It measures just shy of 1" long (down the finger) and is a size 8-1/4 to 8-1/2 ( I AM SORRY, IT IS NOT SIZEABLE)  EXCHANGES ACCEPTED 10 DAYS FROM RECEIPT