10 facts about diamonds you must know

1. Early diamonds, people only use it to polish weapons.

Now people have already learned about the value of diamonds. One shot is tens of thousands and hundreds of thousands.

A little bit of something can sell a big price. But 4,500 years ago, diamonds were only used to polish weapons. At that time, ancient China was still a world in which power was won. Whoever had more brave soldiers and generals could lead the country. The decorativeness of diamonds was greatly reduced, and the practicality of the ones was replaced. So people used this kind of The shiny things give their weapons, such as the polishing of the axe, which is too wasteful in modern words.

2. Diamonds are not the hardest substance on earth.

Diamonds have long been considered the hardest substance in the world, and work done with diamonds can be used to cut a variety of large things. But today diamonds are not the hardest substance on earth. A recent study by two Chinese scientists at Columbia University found that a two-dimensional carbon atom called graphene in pencil graphite is harder than diamonds and is 100 times stronger than the best steel in the world.

The familiar pencils are made of graphite, while graphite is formed by the innumerable "graphene" sheets of carbon-only thickness. Graphene is a single-layer carbon atom-plane material that is stripped from graphite materials. It is the two-dimensional structure of carbon. Since the discovery of graphene in 2004, relevant scientific research has never been interrupted. However, until recently, American scientists have for the first time confirmed the long-standing suspicion that graphene is the most powerful material known in the world!

3. Diamond Empire De Beers (DeBeers)

From the 19th to the 20th century, diamond mining around the world was mainly concentrated in South Africa. As the founder of South Africa's local company DeBeers, CecilRhodes, he recognized that the two main factors affecting the diamond price market are: 1. Due to the enormous mining capacity of South African diamonds, this will pose a threat to the long-term viability of diamonds; See the conflicts that may arise in the future. Based on the above considerations, CecilRhodes purchased all of South Africa's diamonds at the end of the 19th century to control the flow of diamonds in the market and handed over the diamonds to the central trading organization in London to determine the price of the buyer's purchase of diamonds. Since 1888, De Beers has been a well-known name in the diamond mining and evaluation industry. As early as more than 60 years ago, De Beers established a sales organization to distribute the world's most gem-quality diamonds, ensuring the stability of the rapidly growing world diamond market. De Beers has been closely involved in all aspects of the diamond industry, from rough mining to diamond sales.

4.DeBeers name source

From the farm owner Cehannel Nicholasde Beer and Diederik ArnoldusdeBeer brothers who bought the farm from CecilRhodes.

5. Is diamond really rare?

In the past, diamonds were indeed very rare or even rare, but this situation is slowly changing. It cannot be said that diamond resources are becoming more and more. It can only be said that the method of finding diamonds and the technology cost of mining diamonds are getting lower and lower. It turns out that about 1 million mined diamonds can be refined into one carat of diamonds, and this situation has greatly improved.

6. Super large diamonds in the universe

The largest diamond found on Earth is the Cleveland diamond weighing 3,106 carats. It is divided into nine large diamonds, including the 530-carat "African Star", which is now part of the Crown Jewelry. More than 2,800 years ago, diamonds were first discovered in India. The ancient Romans believed that this stone was a fragment of the stars that fell to the earth.

And there are bigger diamonds from the universe. Scientists discovered the largest diamond in the universe in 2004. But this diamond is the vast majority of men in love who can't reach it - precisely 50 light years away. Cosmic scientists revealed that they found a 46-square-carat gemstone weighing 10. The stone, which is 2,500 miles in diameter and weighs 5 x 10 and 42 square pounds, is hidden in the center of a white dwarf in Sagittarius and was discovered on Valentine's Day.

7. The most famous light mountain diamond

This "Guangshan" diamond inlaid in the crown of the Queen Mother is considered a permanent curse. There is a saying in India that has warned: "A man with this diamond will have the world, but he will also be in the upper body. Only God or a woman can wear it to be safe." In 1937, she wore a diamond with a light mountain. The crown participated in the coronation ceremony of the King George VI. George VI passed away at the age of fifty-six.

This diamond has caused a dispute between the Indian government and the British royal family. Its history can be traced back to the fourteenth century, after which murder and renegade events followed this diamond. In the eighteenth century, the Persian emperor Nadirsha attacked the Monroe Empire. What he wanted was this diamond. In the midst of finding nothing, the famous harem cuddled him, and the diamond was hidden in the headscarf of the Sultan of Mongolia. When the Persian emperor inspected the headscarf of the Sultan and found the diamond from it, the size and brilliance of the diamond surprised him and he could not help but scream "Mountain of Light." Gwangsan Diamond is named after it.

But eight years later, Nadirsha was assassinated. A general of his team took the diamond to Kabul for the Afghan dynasty. Later, after several twists and turns, it was brought back to India in the 19th century. Git Singh, but after his death, the Kingdom of Sikh was wiped out, and Gwangsan Diamonds was presented to Queen Victoria by the East India Company along with the King of India. Later, Queen Victoria re-cut the 186carats diamond into a brilliance of about 108carats and set it on the crown with the cut diamonds.

8. The most classic advertising word ADiamondIsForever diamonds are long-lasting, a permanent pass

9. Diamonds are also investable

Since 1934, the price increase of diamonds has greatly exceeded the inflation rate, so investing in diamonds can protect investors' capital from inflation. Diamond prices have grown in recent years in a period of benign inflation. Therefore, in addition to providing protection of capital, diamonds themselves are the most concentrated form of investment. Diamonds also protect the most intimate personal wealth investments. Unlike other forms of investment, investors must look for investment wealth custodians, such as investment banks, custodian banks, etc. Diamond investors have tangible assets that are directly held by themselves. During the investment period, he does not need to pay any custodial fees, property taxes, or is required to be covered by any liability insurance.

Diamonds are also different from ordinary futures commodity investments, and there are sharp price fluctuations every day. Nor does any government accumulate diamond stocks. Therefore, governments in various countries do not have free trade markets that control or influence diamonds. Since the international demand for diamonds is greater than supply, diamonds are easily sold anywhere in the world.

10. Artificial diamonds:

Since last year, scientists have succeeded in mastering the method of making 10 carats of single crystal diamonds. The most powerful thing is that the diamonds even exceed the true mineral diamonds in color and purity. In 10 years, synthetic diamonds will become cheaper and cheaper. In 2011, the first diamond semiconductor will be available.

Scientists at the Geophysical Laboratory of the Carnegie Institution of Washington, together with researchers at the Boston Apollo Diamond Association, have created the largest and most flawless synthetic diamonds available today.

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