What is the history of diamonds?
Speaking of diamonds, I believe that everyone is not strange, especially newcomers who are ready to marry, will buy diamond rings to express the firmness of love. In addition, every girl must have a very good yearning for diamonds. So do you know the history of diamond development?
Introduction to diamonds
Diamonds have become diamonds, celestial stones and luminous stones. It is known as the king of gems. Diamonds, rubies, sapphires, emeralds and gold-green opals are called the five precious stones of nature, and the diamonds are among the top five precious stones. The first. Diamonds have this high refractive index and high dispersion value, which is destined to have a special kind of fire, which can make a dazzling brilliance, and the diamond is extremely hard, symbolizing the eternal meaning, so the diamond is deeply people. As a token of love, it becomes a treasure that people pursue and cherish.
Diamond development
The world's first diamond was produced about 3,000 years ago in the valley of ancient India's Krishna. From the fourth century BC to the beginning of the eighteenth century, India produced a total of about 3 million carats of rough diamonds. Do you know why the diamond units use carats? That's because there is a very strange tree in India. The seeds of this tree are the same weight, each weighing 0.2 grams. Smart Indians use this tree seed "carat" as the unit of weight for precious diamonds, so diamonds are still calculated in carats. In the 13th century European countries, most of the diamonds were worn by the royal aristocrats. The 15th century is a milestone in the connection between diamonds and love. According to legend, the Duke of Bagan, Charles, loves diamonds very much and likes to collect. His daughter Mary got a diamond ring when she was engaged to the Austrian Grand Duke. This became the first engagement ring in history.
In fact, the history of diamond development is very long. The above is just a very simple introduction. If you are interested, you can read the relevant reading materials and read them carefully.
Felt Bag,Felt Plant Bag,Felt Garden Bags,Felt Plant Raised Bed
Zhejiang Gleef Felt Industry CO.,LTD , https://www.gleeffelt.com