The color grades of Mosang diamonds are divided into many grades from high to low, such as D, E, F, K, L, M, N, O, P, Q, R, S, T, U, V, W, X and so on. Where d is the highest color grade of Mosan diamond. The closer the color of Mosan diamond is to D color, the more transparent it is and the better its texture is. The color of G~H is almost imperceptible to the naked eye, and the color of j is later yellower.
However, besides white, that is, transparent color, there are other colors such as blue, green, gray, black, golden yellow, sea blue and blue.
Well-known diamond brands:
1, de beers
Founded in 1888, De Beers is a world-famous rough diamond company with unparalleled professional technology in diamond exploration, mining and sales. De Beers and its investment partners operate in more than 20 countries on six continents, with more than 65,438+06,000 employees. It is a world-renowned diamond producer with mining operations in Botswana, Namibia, South Africa and Canada.
2. Silk leno
The Queen of Jewelry, famous for her diamonds and silver products, was founded in 1837. As a symbol of American design, Tiffany has been famous for its themes of love and beauty, romance and dreams for nearly two centuries. It satisfies the fantasies and desires of all women in the world with its functional beauty and soft and delicate sensibility.
3. Graf
Graf, founded in 1960, is a large diamond producer in South Africa. It symbolizes rarity and beauty, and what is important is the purity, high quality and exquisite craftsmanship of its diamonds. Graf carefully carved rough stones from mines all over the world, making it a leader among diamond dealers all over the world.