||GEM-QUALITY OPAL! Solid 925 sterling silver ring. Ring size: US size 7 / GB size N½ / Swiss size 14.4 / inside diameter 17.3 mm / inside circumference 54.4 mm. The stone is not yet set so that this ring can be resized for CHF 20. If you need resizing please contact us by e-mail prior to ordering so we can send you an adjusted invoice.