A token of love given from one person to another. Meant to upstage other couples that are around when the gift is received. A crystal dove can be a bouquet of flowers or a diamond ring. The gift itself is not the important thing. The important thing about a crystal dove is that it makes the person giving the gift look better than there surrounding associates or friends.
Tanisha was hanging out a bar with all her friends who were coupled up. In walks Mark with a crystal dove for Tanisha. Tanisha is overjoyed and the envy of all her friends. The spouses of all her friends were left looking empty handed and dumbfounded.