Filigree Ring - Black Onyx Stone in Silver 10x8mm Sale! from $25.00 Color Antiqued Silver Antiqued Brass Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Victorian style sterling plate silver ox filigree ring measuring 18mm wide at the widest point and adjustable to most sizes. Also available in antiqued brass.In the center is a 10x8mm oval black onyx cabochon. adjustable adjustable ring black black onyx filigree gem gemstone ring Jewelry one onyx onyx ring Ring rock Stone victorian Tweet Pin it