Cobalt Blue Sea Glass and Blue Sea Pottery Adjustable Ring -Size 7These beautiful pieces of Cobalt Blue and Blue Sea Pottery were found in Hawaii. The ring band is made out of 1 2 round Sterling Silver. It is adjustable. 925 Sterling silver and fine silver were used to create this ring. This adjustable ring measures a size 7 Photos are taken outside in sunlight and shaded areas to show the way the light shines differently on the sea glass.