What grade do black diamonds belong to?

There are two different brands of black diamonds, as follows:

1, Estee Lauder Black Diamond Series. Belonging to high-end grade, it is the highest-end series of Estee Lauder brand, which is equivalent to Lancome's Jingchun series. Estee Lauder is one of the largest skin care, cosmetics and perfume companies in the world, with the same name as its founder.

2. Alipay Black Diamond Member. Belong to the highest grade. The rank of Alipay members from low to high is: public member, gold member, platinum member and diamond member. The level of Alipay members is not divided according to the amount of consumption of users, but according to the activity of users. The higher the user activity, the more points you get, and the higher the level of Alipay.