ring blank (12x16mm/13x18mm oval blank) adjustable thai sterling silver ring base oval cabochon ring setting r916b (13x18mm) great ring blank material: thai sterling silver (925 silver in vintage style)<br><br> weight: 5.6g or 6.1g<br><br> color: vintage style silver<br><br> size: adjustable<br><br> blank shape: oval<br><br> blank size: 12x16mm or 13x18mm<br><br> you will receive 1 pc ring blank. please select a blank size.