The tag price of gold is generally 3D technology, and there is also the price of gold, mainly the style. If you pursue cost performance, you can buy gold with simple style and calculated in grams. At the beginning, gold was calculated by gram weight, which was troublesome to sell, with low profit and transparent price. In order to make a profit, jewelers introduced a gold price, mainly 3D hard gold jewelry, which caused a sensation in the market and many people bought it one after another.

Jewelers saw the business opportunities, so they launched more 3D hard gold. They found that 3D hard gold sold well, and it also sold well. The key is to make money, so slowly, more and more hard gold is being sold at the same price.

Pay attention to buying a gold ring.

1, color

When buying a gold ring, be sure to observe the color of the ring. Among them, "songkhla Yellow" is the first-class gold ring.

2. Density

If conditions permit, consumers can also measure the density of the ring. If the density of the ring is about 19.32g/cm3, it is proved that the ring is a pure gold ring.

3. Difficulties

A gold ring with good color and high gold content can leave obvious scratches when rubbed on its surface with nails. From this, we can judge the quality of a ring.