De Beers is the largest diamond mining company in the world. Since the establishment of 1888, De Beers has become synonymous with diamonds. As early as more than 60 years ago, De Beers established a sales organization to distribute gem-grade diamond embryos, which account for most of the world, to ensure the stability of the rapidly developing world diamond market. De Beers' most classic advertising slogan: "Diamonds last forever, and one will last forever." Diamonds are eternal.

Tips:

1, the above explanation is for reference only;

2. Synthetic diamond is a kind of polycrystalline diamond which is crystallized and polymerized from diamond with a diameter of 10 to 30 nm.

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