Yes, it is appropriate for a boyfriend to give his girlfriend a Claddagh ring. The Claddagh ring is a traditional Irish ring that symbolizes love, loyalty, and friendship. It is often given as a gift to signify a commitment between two people. Typically the heart, Crown, and Hands face outward when worn by a single person, inward or pointed at heart for someone with a partner. While the Claddagh ring is traditionally associated with Irish culture, it is also popular among people of all backgrounds who appreciate its symbolism.