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Zhao Yue and the four of them drove along the main road, and after three days rushed to the border with Congo Brazzaville, and successfully entered the Congo by bribing the border guards.

They rested for a day in the border town of Congo, and the next day they went to the Congo River (Zaire), the border river between the Congo and the Democratic Republic of the Congo, and took a boat down the river to Brazzaville, the capital of Congo Brazzaville, across the river from Kinshasa, the two cities are only five or six kilometers apart, second only to the distance between Rome and the Vatican, and the only pair of capitals in the world that can see each other across the river. There is a huge disparity in size between the two capitals, with Kinshasa having a population of more than 10 million in 2009 compared to just over 1 million in Brazzaville. To distinguish the two countries on both sides of the Congo River with the name "Congo", the Republic of the Congo (the capital of Brazzaville) is called "Congo (Brazzaville)" or "former French Congo", and the Republic of Congo is called "Congo (DRC)" or "former Belgian Congo".

They reissued their passports and visas through the consulate in La Chawil, flew to Ethiopia, and transited through Ethiopia to return home.

The plane landed in Xianggang, Wei Cheng, Yang Lin and Jessica returned to the mainland first, and Zhao Yue stayed in Xianggang alone to find a jewelry store to cut the diamond into jewelry.

After Zhao Yue left his luggage in his hotel room, he took a taxi and found a more famous jewelry store.

"Welcome! Is there anything we need to do for you? Mr! A saleswoman stepped forward and asked politely.

Zhao Yue said, "Can you speak Chinese?" I can understand Cantonese when you speak, but I don't feel convenient! ”

The saleswoman said, "Oh, I'm sorry, sir! ”

Zhao Yue asked, "I wonder if you have any business here that does diamond cutting, carving and making into jewelry?" ”

"Yes, sir, please come with me, I will ask our manager to talk to you!" The saleswoman made a gesture of please.

Zhao Yue was led into the VIP room by the female salesman, and after the salesman served the coffee, he went to ask the manager.

After a few minutes, a fat man walked into the VIP room under the leadership of the saleswoman, and stretched out his big chubby hand when he entered the door and said: "Welcome Mr. Trust our company, contemptible Chen Afa, is the manager of this store, I don't know Mr. Your surname?" ”

Zhao Yue shook hands with him and said, "The surname is Zhao!" ”

Chen Afa shook Zhao Yue's hand vigorously, and said with a smile on his face: "It turned out to be Mr. Zhao, please take a seat!" ”

After Zhao Yue sat down, he didn't talk nonsense, and directly took out the diamond and said: "Mr. Chen, I won't spare you, I guess this young lady has already told you just now, look at it, I want to make this diamond into three rings, two earrings, and a necklace!" For the rest of the materials, I ask you to give me the best".

Chen Afa, including the saleswoman next to him, gasped when Zhao Yue took out a diamond the size of his thumb, and asked in a trembling voice, "This is a rough diamond?" It's so rare! It's not as big as Cullinan, but it's the largest diamond ever found."

"Cullinan" is the world's largest gem-quality diamond ever discovered, it was discovered in January 1905 at the Premir diamond mine in South Africa, known as the "Star of Africa". It is a diamond block with incomplete crystals, colorless and transparent, without any blemishes, with an excellent texture and weighing 3,106 carats. At that time, it was named after the name of the general manager of the mine, "Cullinan".

The British political axe bought the diamond for $750,000, shipped it to England, and presented it to King Edward VII in 1907 as a gift for the king's 66th birthday. Later, this huge diamond was sent to the Dutch capital for cutting, and this "Star of Africa" was determined to be a priceless treasure in the world after several months of research and analysis by many experts.

After the diamond was divided, it began to be cut on March 3 of the same year, and three pondering experts worked 14 hours a day and spent eight months to polish the four largest diamonds.

The "Cullinan First" is a pear-shaped, the heaviest of the three, weighing 530.2 carats, and later set in the scepter of the British king, this giant diamond is called the "Star of Africa" and has 74 facets.

The "Cullinan II" is square, weighing 317.4 carats, and is set in the crown of the King of England.

The "Cullinan III" is pear-shaped, weighing 94.4 carats, and is set on the spire of the Queen's crown.

The "Cullinan IV" is a square shape weighing 63.6 carats, and it is the result of dividing experts dividing the smallest of the diamonds, the "Cullinan III" and the "Cullinan IV", which is set on the side of the Queen's Crown.

The 3,106-carat "Star of Africa" rough was cut into 105 diamonds weighing 1,064.26 carats and 9.5 carats of uncut crushed stone. The weight of the finished product is only one-third of the rough stone, which shows that the cost of polishing the rough into a diamond is very large.

Another 14 years later, in 1919, still in the same mine, not far from the discovery of the "Star of Africa" diamond, and found an incomplete diamond block weighing 1,500 carats, which should rank second in the world according to weight, it must be named separately, but people have studied the characteristics of this diamond, according to its crystal characteristics, fissure shape and other characteristics, it is determined that it is the "Star of Africa" discovered in 1905 belongs to the same crystal, but it was found successively after the fissure, so it was not named again. In other words, if the "Cullinan" of the "Star of Africa" had not been cracked, its total weight would have been more than 4,606 carats.

It is well known that the lighter the color of a diamond, the higher its value. Most gem-quality diamonds are colorless to light yellow in color. When grading a diamond's color, the diamond is compared to a set of internationally accepted standard masterstones, which are ranked in Z-order from colorless D (the highest grade) to yellow. Diamonds come in other colors such as brown, orange, pink, blue and so on. The most vivid of these diamonds is graded as a deep intense color in the IGI diamond grading report and is called a fancy color diamond.

Most people think that the whiter the diamond, the better, but in fact, the economic value and collectible value of colored diamonds are also very high, because they are rarer and more precious than white, which makes her extraordinary charm.

Zhao Yue replied: "That's right, this is a rough diamond, just unearthed, given to me by an African friend." Mr. Chen, are you sure you can do what I asked? ”

Chen Afa was embarrassed: "Mr. Zhao, since you are so refreshing, then I won't lie to fool you, your diamond is too big, and it is worth a fortune." When cutting, if the tip is not careful, it will be broken into countless small diamonds, and we don't have such a high-level person in the store, so we have to send it to the Dutch headquarters for cutting! ”

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