Handcrafted 925 Sterling Silver Australian Pipe Opal Ring Size: 7.75 Details: 925 Sterling Silver (Tested) Hammered Band Australian Pipe Opal Gemstone Weight: 5.2g No Hallmarked/Stamp Condition: Great used condition. Some major tarnish but nothing major. Have this ring professional polished and cleaned and it will shine like new! See all images and video for overall condition.