The market value of black diamonds in the past has rarely been discussed, and diamonds are often not considered gem-quality diamonds. With the development of fashion, people's preferences for color are also different from time to time. Among the black gems, the most striking of the black diamond is its mysterious black luster. With the help of the industry, it is widely used in jewelry and elegant and retro. Today's black diamonds are no longer the same. They are generally used as collection-grade jewellery, and some are used as treasures of town shops in jewelry stores.

Since the beginning of the last century, about 600 tons of diamonds have been mined and sold worldwide, and diamonds have become one of the most popular decorations in the upper class. Among the diamonds of various colors, the three series of colorless, color and black, the colorless crystal clear, the colorful and colorful, the mysterious black is also unique in the international jewelry market. The most important thing is the black diamond, which is especially precious because it is rare. Where do these black diamonds come from, and why are the numbers so rare? What factors have caused people to favor black diamonds? What are the world famous black diamonds?

How black diamonds are formed

From a geological point of view, black diamonds, or black diamonds, like other diamonds of color, formed in the earth's deep mantle during the development of the earth, and later after repeated volcanic eruptions. Being taken to the shallows or surface of the earth. These black diamonds are opaque, with a specific gravity of 3.1 to 3.3, without cleavage, and they have the same 10-level Mohs hardness as other diamonds. But most of the black diamonds are actually wrapped in a gray and dark gray material, so that the surface is always accompanied by severe flaws, childish cross-shaped scratches. It is also these black sulfides that precipitate, causing their opacity. It's not easy to get a uniform black.

Because since the middle of the 18th century, the Portuguese in Brazil first introduced the concept of "black diamond". So far, black diamonds have only been found in Brazil and the Central African Republic. And from Australia to Siberia, from China to India, the formation of ordinary diamonds is virtually the same. But these diamonds are not the same as the black diamonds. Previous research has been supported by the latest data, and black diamonds are actually the product of a supernova explosion. When they first fell on Earth, they were about 1 km or more in diameter, like a small planet.

Mysterious legend of black diamonds

With regard to black diamonds, there are mysterious legends around the world: in ancient India, when black diamonds appeared in the form of twin crystals, suggesting that it was the eyes of a serpent, people wanted to give black diamonds to the death of ancient Indians. God - King of the Kings. In medieval Italy, black diamonds were used as "stones of reconciliation." If you have just had a quarrel with your lover, as long as you gently slide a black diamond over her face, all the troubles and misunderstandings will vanish. This is probably a fairly expensive way of quelling disputes.

The rare value of ink diamonds


In most cases, the diamond is colorless and white, often with a yellow, orange or brown hue, and the colored diamonds are very rare. Naturally formed diamonds with colored tones are crowned with the adjective “rare”. The value of rare colored diamonds is determined by their color concentration. The difference in color is due to the difference in crystal molecular structure or the type and content of impurities contained therein. If a diamond is black, it means that it is in the transition phase between graphite and real diamonds. It is also a "rare" diamond series. Among the entire diamond family, black diamonds are usually the rarest.

Sometimes black diamonds are confused with black diamonds that contain black inclusions. But these black inclusions in colorless diamonds are natural substances that are captured by crystals when the crystals are formed. These diamonds are much less valuable than real black diamonds.

The reason why black diamonds are now sold out

First of all, black is the basic color that people of all ages and people of different ages love. Second. The combination of black and other colors expands the range of combo designs. Aside from myths and legends, modern people's enthusiasm for this gem can be traced back to its unusual qualities, black diamonds can make up for the dazzling light of gold and platinum. When a black diamond is paired with other colored stones or white diamonds, it highlights the color and texture of the jewelry. Furthermore, since the final appearance of a diamond depends on the cut, black diamonds usually have some flaws, which makes cutting them quite difficult. But once a reasonable cut is made, the black diamond will become impossible in terms of beauty and elegance. Therefore, things are rare and expensive, and they are fashionable endorsements.

In the retro style that has been popular in recent years, it is represented by the Victorian style of sad jewelry. Black diamond has become the new favorite of fashion. Because of her widowhood, Queen Victoria of the United Kingdom has always worn only black-based jewellery to show her grief forever. Black gems became the main characters on the jewellery stage. Nowadays, when this jewel is added with many new materials, such as black pearls and other gems, the black jewellery at this time has no sentiment and is replaced by dignity and fashion.

Black diamonds often play the best role in many designs, and their mysterious and noble qualities add a touch of glamour to the jewelry itself. Even so, there are several famous black diamond-based finished products in the world, which have become the main characters on the jewellery stage. Each has its own unique style and people can't help but want to know a few points.

The world's top five black diamonds

Black orlov (theblackorloff)

The world's most famous black diamond, the blackorloff, is said to have been called "The Eye of Brahma". It has a 195-carat, Hindu god statue "Buddhist" inlaid in the ancient Indian Pondicherry area. "On the eyes. "Brazil" is also the "creation god" of the head of the three main gods in Hinduism, and is therefore called the "eye of the founder." According to legend, in order to break the curse of Brahma, it was cut into three pieces and turned around the world.

One of the most famous is the "Black Orof", which came to Russia in the 18th century and became a treasure in the Princess Olofs jewelry box and was named "Olov". Although this legend has not been tested, this legendary story has been circulated as a famous diamond in the jewelry industry, adding to the mystery that everyone is curious about behind it.

"Black Olof" is a black-gray diamond weighing 67.50 carats. After the current 67.50-carat black diamond has been set in a necklace and resold many times, it is now toured around the world by the New York diamond dealer Winston as a treasure.

"Geli Gonau Spirit" Black Diamond

The "Geli Gonau Spirit" weighs 312.24 carats and is a very famous black diamond that has been cut in the world. It was mined from the west of Central Africa a few decades ago and moved into Switzerland. From the beginning of the study of cutting design, to the actual cutting of the original stone, the whole process took more than a year.

The original weight of the diamond reached 587 carats, which was extracted from the west of Central Africa decades ago and moved into Switzerland. It was later cut using the Mughal Empire's diamond cutting technique. From the beginning of the study of cutting design, to the actual cutting of the original stone, the whole process took more than a year.

In the appraisal report of this black diamond by the Gublin Gem Laboratory in Switzerland, the “Geli Gonau Spirit” is described as: a rare specimen of this type of diamond due to its large size. It is also the largest natural black diamond ever identified by Guber Berlin Gem Lab.

Theamsterdam amsterdam

Very rare all-black diamond amsterdam, 33.74 carats, cut from a 55.85-carat rough stone, this all-black diamond amsterdam was found in South Africa. By 2001, the all-black diamond amsterdam was auctioned at the Christie's auction in London for $352,000. Its owner, D.drukker, made it publicly available at the European Diamond Society (Melandandiamondcouncil) to commemorate the 700th anniversary of Amsterdam, the Netherlands.

The gemstone is cut in pear shape and the main face of the crown is horizontally separated. Its name is to commemorate the 700th anniversary of the Dutch city of Amsterdam.

"Grouous Diamonds"

"Gruoxi Diamond" is the world's largest heart-shaped black diamond weighing 115.34 carats. This heart-shaped diamond is the centerpiece of a necklace made up of 58.77 carats of smaller black diamonds, 378 white diamonds and 14.1 carats of dark green garnet in platinum. It took three years to cut the "Grouox Diamond" and the weight loss was close to 184.78 carats.

"Brazil Asia Black Diamond"

The Brazilian black diamond was discovered in Brazil and was exhibited at the 1951 Crystal Palace World Expo. It weighs 350 carats and is known for its rugged appearance that is not polished. Because of the extremely high hardness, it is impossible to polish it.

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