<P>An engagement ring, also known as a betrothal ring, is a ring indicating that the person wearing it is engaged to be married, especially in Western cultures. A ring is presented as an engagement gift by a partner to their prospective spouse when they propose marriage to represent a formal agreement to future marriage.</P><P>Wearing an engagement ring has a long tradition dating back to ancient times. At that time, it was a sign that the bride had received the dowry. Now, it has developed into the romantic symbol we appreciate today.</P><P>The engagement ring stands for the promise of marriage, it symbolises devotion and commitment to the beloved partner.</P><P>The shape of the ring already indicates its meaning: it is circular - without beginning and end - and thus it has become a universal sign of eternal love and faithfulness, perfection and infinity.</P>