Sterling Silver Filigree Art Ruby Corundum Angel Cocktail Ring Face Length is 0.65 inches and Width is 0.30 inches Ruby Corundum Gemstone is opaque and dyed. It is 7X14 mm, faceted, checkerboard oval-cut. This metal embroidery filigree ring is oxidized and highly polished. Filigree is made of delicate metal strands that have been skillfully fashioned to create an outstanding combination of old and modern art. Originating in Mesopotamia, Anatolia. It is made of delicate metal strands that have been skillfully fashioned to create an outstanding combination of old and modern art.