De Beers is very tall. Mikimoto is the most famous Japanese international jeweler, founded in 1893, whose products are designed and sold in a unified way, while De Beers is the largest diamond mining company in the world. The brand was founded in 1888, and its brand awareness is high. Most of the products are privately made, so De Beers has a higher grade. Grade refers to the grade and level of things or things.