Ecclesiastical ring gold, stone-set ring. Roman Catholic bishops traditionally have their episcopal ring set with an amethyst. Aside from the rings a bishop purchases or is given by others, his rings belong to the Church; he will have inherited the previous bishop's ring collection, which is held in trust. While all hierarchs are accorded the honor of being buried wearing a ring, all rings belonging to the Church will be returned to the Church upon the retirement or death of any hierarch. In a Decree of Pope Boniface IV (A.D. 610) it describes monks raised to the episcopal dignity as "anulo pontificali
Engineer's Ring is symbolic of the oath taken by the wearer, and symbolizes the unity of the profession in its goal of benefitting mankind. The stainless steel from which the ring is made depicts the strength of the profession. Starting in 1970, it is inspired by the original Canadian Iron Ring ceremony that started in 1922. Engineers receive the ring after taking an oath known as The Obligation of The Engineer, during a ring ceremony. Only those who have met the standards of professional engineering training or experience are able to accept the Obligation, which is voluntarily received for life. The required