Other colors other than the grading standard, such as red, blue, purple, etc., are extremely rare, so the diamond of this color is a treasure in the diamond, and its price is much higher than the standard of the general diamond. Based on these, let's take a look at the precious varieties of diamonds! Net water drill Net Rhinestone: A colorless, transparent diamond that is as pure as water, especially in light blue. The world's largest diamonds and world famous diamonds are mainly such varieties, such as "Jinkel" and so on. "South African Star" is English name Star of South Africa, weighing 47.55carats, colorless, pear-shaped engraved shape, native to South Africa, is a very high quality water diamond, the original diamond weighs 83.5carats. Red diamond Red diamond: a transparent diamond from pink to bright red, especially the "pigeon blood red" is a rare treasure. Australia is its main source, such as the world famous diamond “Russian Redâ€. Nature: Also known as light red crystal. A variant of round diamond. It is spherical, and the surface often has a fine-grained diamond shell, and the central portion is relatively coarse and often has a nucleated structure. Hardness, toughness, but less common. For grinding and cutting industrial diamonds. Red diamonds are the rarest of the color diamonds, and even many senior professionals specializing in the jewelry industry have no chance to see. Musayev Red Diamond "Moussaieff Red" The world's largest red diamond was discovered by a farmer in Brazil in 1960. The diamond is called "Musayev" red diamond. (the Moussaieff Red). It is a triangle and weighs 5.11 carats. Although the weight of this diamond is not worth mentioning compared to other diamonds, it is the largest diamond in the red diamond. Its value is much higher than its weight. Blue Diamond Blue Diamond: A clear blue, blue to dark blue transparent diamond, of which the dark blue is the best. This diamond, unlike all other color diamonds, has semiconductor properties. Because it is particularly rare, it is a rare treasure. Such as the world famous diamond "hope" and so on, South Africa's Premell mine is its main source. The main component of the blue diamond is carbon, because the diamond's fluorescence is so strong that the diamond looks blue. It is different from sapphire (AL2O3, mainly in Fe, Ti, and coloration). Blue diamonds are rare now and the price is very expensive. Blue Diamond According to British media reports, a rare blue diamond weighing 7.03 carats was sold at a high price of about 6.21 million pounds in Switzerland on May 12. The blue diamond is set in a platinum ring and commissioned by Sotheby's auction house by the Kalinan Diamond Mine, a major producer of blue diamonds. It is reported that buyers who purchase the diamond will name the diamond. Green diamond Green Diamond: Dresden Green Diamond is a pale green to green transparent diamond, of which the bright green is the best. Zimbabwe (Rhodessia) is its main source. The world's largest green diamond "Dresden Green Diamond". The diamond weighs 40.70 carats and its value is reported to be about $200 million. Purple diamond Purple Diamond: Purple diamond is a kind of lavender to purple transparent diamond, especially the bright purple is a rare treasure, the former Soviet Union is its main source. Black diamond Black Diamond: Black diamonds are usually not used as diamonds, but a large black and transparent one can also become a precious diamond. Black Diamond Mythology Black Diamond Myth The Korloff Black Diamond, which weighs 88 carats and has 57 facets, is owned by the Russian aristocratic family Kroloff. It is famous for being the largest of the same diamonds. At the beginning of the 20th century, the Russian Revolution broke out and this diamond became the most valuable thing that the Korloff family escaped. In 1920, this black diamond was sold by the Korloff family, and it became a talk of people. This unparalleled black diamond, following the original masters experienced the turbulent revolutionary years, successfully resisted the baptism of difficult times, still dazzling, its unparalleled quality, making it even more resistant to physics than crystal clear white diamonds The test of the chemical environment. Also because of its superior quality, cutting has become very difficult, from the beginning to the completion, it took more than a year to complete the entire process. Galvalume Steel Round Barbed Plate Galvalume Steel Round Barbed Plates are made of aluminum plus galvanized steel. The plate's rounded design and stiffening ribs provide excellent strength against the lifting forces of the wind. 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The world's most precious six diamond varieties