A gold necklace marked k 18 is not necessarily a fake necklace. When a necklace is marked with k 18, it is first necessary to determine whether the necklace is gold. If it is a gold necklace, the above k 18 indicates the purity of gold, while the above k 18 indicates that the purity of gold in the necklace is about 75%.

If you want to judge the authenticity of a gold necklace, you can tell it by tapping it. Generally speaking, the higher the purity of the gold necklace, the deeper the sound, and the softer the gold necklace with higher purity, which is easy to bend by hand.

The necklace is marked with 18k, which means that the regular gold jewelry processing enterprise represents 18k gold, which means the gold content is 75%. Now some informal small workshops also use 18k to mark unqualified products, buy them in the best shopping mall for gold jewelry and ask for invoices.

Basic introduction of necklace

Necklace is one of the ornaments of human body and the earliest jewelry. Necklaces not only have decorative functions, but also have special display functions, such as Catholic cross chains and Buddhist prayer beads. Since ancient times, people have beautified the human body and environment by making necklaces with different styles, characteristics and styles to meet the aesthetic needs of people with different skin colors, nationalities and aesthetics.

Among them, there are three kinds of gold necklaces: red gold, 18K and 14K. The fineness of silver includes 92.5% silver, silver plating and gold plating. Jewelry used as necklaces includes high-grade materials such as diamonds, rubies, sapphires, emeralds, emeralds and natural pearls, as well as middle and low-grade materials such as agate, coral jade, ivory and cultured pearls. Jewelry necklaces have stronger decorative effect and richer color changes than gold and silver necklaces, which are especially popular among young people.