What do you mean by three gold and four diamonds?

Three gold refers to gold, and four diamonds refers to hotels.

Gold necklaces, gold earrings and gold rings Generally speaking, wedding gold refers to gold, and the weight of rings is generally 4-6 grams. The weight of necklaces is generally 10g, and the weight of earrings is generally about 3g, which adds up to about 20g. Four diamonds generally arrange hotels with four stars and below.

Traditionally, three gold ornaments for marriage refer to rings, earrings and necklaces. Now diamond rings are more common, so you can change three gold ornaments according to the bride's preference. Three gold should be bought by the man, whether it is etiquette or custom.