You should buy 3D hard gold, not grams. Because the process of 3D hard gold is difficult, the processing cost is much higher than that of ordinary Huang Jingui, and the cost is much higher. If you divide your price by the gram weight, it is about one gram of 540 yuan. At present, domestic brands of 3D are generally 600-700g in Hong Kong, about 600g in domestic first-line brands and 480-520g in local brands. After all, you still buy something more expensive.