Choose Options Quick view Black Onyx Sterling Silver Ring, 6mm Stone with 1.2mm Round Band-12300 Black Onyx Silver Ring, 6mm Stone with 1.2mm Round Band. Choose the proper size from the dropdown list. Stone: Black Onyx Metal: 925 Sterling Silver Band Thickness: 1.2 mm MSRP: CA $25.00 Choose Options Add to Wish List Compare