The default is to buy all three gold rings and diamond rings. Three golds and one diamond refer to gold necklaces, gold earrings, gold bracelets, a diamond ring and a wedding ornament, which accompany the couple from youth to white hair and witness the deep affection of vows of eternal love. In addition, in traditional culture, gold represents an auspicious thing with a rich family. It can be seen in many major events, especially weddings, anniversaries and other occasions, and each gold ornament has its own unique significance. A diamond ring with three golds and one diamond is a token given to the bride-to-be by a man when he proposes marriage, expressing his love and affection for the other half; Nowadays, the wedding diamond ring is a witness to the happiness of a couple's life, and exchanging rings is also the most important sense of ceremony leading to the marriage hall. A diamond ring and a ring are indispensable. Rings are used at weddings, which means pairs. Giving three gold medals when engaged is a tradition since ancient times. It is a traditional wedding custom to marry a girl and receive a bride price. The preciousness of the bride price can also reflect the sincerity of the man and the face of the woman to a certain extent. Through the three gold medals, we can see how much the man attaches to the woman.