||Opal ring, solid 925 sterling silver. Ring size: US size 7.75 / GB size P / Swiss size 16.3 / inside diameter 17.9 mm / inside circumference 56.3 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. The play-of-colour is greener than in the pictures.