It is impossible to judge the material of gold sold in Tik Tok. Different businesses have different ingredients and may have fake gold. Buying gold online mainly depends on the seller's credit, and the general credibility of high credit is relatively high.

According to the different luster and color of gold, pure gold, k gold, real gold and fake gold can be roughly distinguished. In other words, red and yellow (yellow-red) is the best gold with a fineness of over 95%; The fineness of positive yellow is about 80%; Cyan accounts for about 70%; Yellow is light gray, and the fineness is about 50%. Therefore, there is a formula of "seven green, eight yellow, nine five red, yellow and white with gray and half gold". For a long time, there has been a saying that "copper turns green, silver turns black, and gold never changes color".

Pay attention to the following points when buying gold jewelry online:

1. If you buy on an independent website, you must choose an e-commerce website with formal management rights, a reputation record and high credibility.

2. Don't trust and buy jewelry whose online price is ridiculously lower than the market price, and don't be fooled by the low price.

3. Obtain jewelry appraisal, and ensure that the purchased jewelry conforms to the certificate.

4. Select the transaction process of payment after receipt, and ask for invoices or valid shopping vouchers. The invoice should indicate the name, grade and whether it has been manually processed in Chinese as far as possible. It is best to write the promise of promotion together on the invoice, which can be used as evidence to fight for your legitimate rights and interests in case of problems.

5. When receiving the goods, you should open the goods in front of the postal staff to check and confirm that the goods are consistent with the goods you bought and are in good condition before signing for them. If it is found that it is inconsistent with the purchased goods or causes damage, it should refuse to sign for it and contact the seller in time.

6. Keep relevant transaction vouchers in case of disputes to safeguard their own consumer rights.

7. If the goods are not delivered after payment, or if the payment for goods is received, it is required to increase the price or bundle other goods, once found, it should be reported to the relevant departments immediately, and those involved in fraud should be reported to the public security organs to safeguard their legitimate rights and interests.