The world’s annual diamond production is about 100 million carats

The world’s annual diamond production is about 100 million carats, the gem grade is about 15 million carats, and the diamonds are about 4 million carats (800 kilograms). Some rough statistics have found that to get 1 carat (0.2 g) of polished diamonds, about 250 tons of ore need to be excavated. After the mined ore is carefully crushed and sorted, it is not like other metal deposits, it can be put into large-scale smelting. Instead, each rough diamond need to be carefully analyzed to determine the cutting and grinding program to ensure its weight, clarity and style. Ring can be birthstone ring. This often requires people who have a good understanding of the physical and optical properties of the diamond itself and who have considerable experience. The general steps are: design marking; split diamond; saw diamond; lathe diamond; grind diamond; clean and grading. And each of these steps includes a lot of small programs. Every small step requires exquisite craftsmanship and rich experience. Take the world’s greatest Cullinan diamonds as an example, the original stone weighs 3,106 carats, three experienced and skilled craftsmen, working 14 hours a day, it took 8 months to divide it into 4 large diamonds and 101 small diamonds. The processing of some world-famous diamonds often takes a few months to design or even 1-2 years. According to preliminary statistics, a diamond, from its mining, sorting, processing, grading, sales, and finally sold to the buyers, involves more than 2 million people! Infinity ring is also a good choice.
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