1. Black Gold Card: It is the black gold (highest) version of "Centurion Series Charge Card" launched by American Express in UK 1999. It is also called "black card" because its main color is black.

2. Diamond Card: It is a high-end credit card or savings card jointly launched by bank card organizations and commercial banks.

Second, the service is different.

1, Black Gold Card: Cardholders are mostly politicians, billionaires and celebrities from all over the world, and are invited by American Express to apply for a card. Applications for card processing are not accepted. Cardholders can enjoy the exclusive privileges, rights and services of the top members in the world.

2. Diamond Card: In addition to all financial functions, it also provides 24-hour exclusive service hotline, online banking service, account change SMS reminder service and counter priority service.

Third, extra services are different.

1, black card: Holding a black card in your hand means that you have the right to let people all over the world serve you. The widely circulated story about black cards proves this point. If the cardholder wants to go to sea, American Express will try its best to satisfy him as long as the earth can do it. Such examples have appeared many times in movies, TV series and animation works.

2. Diamond card: It is equipped with value-added services such as public transportation accident insurance, airport VIP room service, health care, golf reservation service, and wealth management butler. In addition, the issuing bank also provides personal butler service, exclusive club reservation service and professional consultation for the card.

Baidu encyclopedia-diamond card

Baidu Encyclopedia-American Express Centurion Black Gold Card