925 sterling silver ring "Rather then a staid gold wedding ceremony band, some grooms-to-be are selecting bands made out of unorthodox supplies similar to a employed Jack Daniel’s cask or maybe a dinosaur bone." Some have also started speculating that Harry wears the ring to rejoice his anniversaries with Louis, https://www.amazon.com/Handmade-Sterling-Bohemian-Jewelry-Graduation/dp/B0DH8PXZHH/ref=sr_1_2?