does the subject want to ask, "Is it safe to report the credit card number when buying a diamond ring?"? Yes, safe. Credit card is a special card that can provide credit proof for the cardholder, and the cardholder can use the card to shop, spend or enjoy specific services. Reporting the credit card number in the diamond ring purchase process will not have any adverse effects on the photo of the person, so it is ok and safe to report the credit card number in the diamond ring purchase process.