I. Color type of 18K gold:

The factory will determine the color of 18k gold according to the needs of products, combined with 25% of precious metals, and according to the different contents of precious metals in 25%.

1, white 18K gold.

2. Red 18K gold.

3. rose gold.

4. Color 18K gold.

5, 18K blue gold.

6, 18K black gold.

7, 18K Zijin.

8, 18K gold.

Second, the identification method of 18k gold:

1, see steel seal.

General 18K gold jewelry will have 18K steel seal on it, which means that the gold content of this gold jewelry is about 75%. Real 18K gold will be engraved with the steel seals of au750, 18K and g750. Generally, fake 18K gold jewelry is stamped with 18kgp or 18kgf.

2. Look at this color

Real 18K gold has metallic luster under light. Because the purity of 18K gold is not as high as 24K, it has the bright primary luster of gold, which is generally fake 18K gold.

3. Fire method

Burn 18K gold with a special gold inspection gun in the jewelry store to see if there are any black spots on the gold ornaments. Generally speaking, real gold is not afraid of fire, even if it is cast at high temperature, it will not be damaged and bright as new. If 18K gold turns black after burning with a spray gun, it is generally fake 18K gold.

Advantages of 18K gold:

1, higher hardness:

Pure gold has good ductility, but its hardness is not enough, so it is difficult to fix the design shape. Compared with pure gold, 18K gold has higher hardness, is not easy to wear, and has exquisite and changeable styles.

2, not easy to wear:

18K gold is not easy to wear because of its perfect composition ratio and super ductility and hardness.

3. Long-term luminescence:

K gold can also maintain luster for a long time because of the material.

4, high cost performance:

Because 18K gold has many styles and colors, it is easier to match bare stones and fashions with different colors, which is suitable for consumers of all ages, skin colors and hairstyles, and the effect is better.

5, the price is cheap:

Because it is not as pure as gold, it also has an advantage in price. The price is very favorable while retaining the aesthetic feeling.

6, a variety of colors:

18K gold is very rich in color. It can use different formulas to meet the color preferences of different customers, such as white, yellow, rose and so on. It is fashionable, distinctive, concise and not monotonous.