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how are diamonds made

How Are Diamonds Made? Natural and Lab Grown Diamonds

All the diamond fans are curious to know How Are Diamonds Made? Are you one of them who is looking for an answer to this? If yes, then you are at the right place.

Mined diamonds are no longer the exclusive option. From lab-grown diamonds to diamond replacements, today’s market offers a wide range of stone possibilities. Each one is made in a unique fashion, and as a result, they may have distinct properties. The most prevalent variations between these stones include physical qualities, optical brightness, price point, and origin. Know the differences between the three most pervasive diamond and diamond alternatives before selecting an engagement ring or exquisite diamond jewellery.

Diamonds are a highly prized gemstone that is seen as a sign of love, dedication, and riches in modern culture. But what are the components that diamonds are composed of? And how do they come to be?

Diamonds, like graphite, are made entirely of carbon. Diamonds’ carbon atoms are structured in a tight lattice, allowing for less contamination and earning it the title of hardest known natural material.

While colourless diamonds are the most valuable, due to mineral contamination or lattice distortion, diamonds come in a variety of colours. Black diamonds, for example, are caused by graphite contamination, red diamonds are caused by plastic deformation, purple diamonds are caused by plastic deformation and hydrogen contamination, green diamonds are caused by irradiation deformation, pink diamonds are caused by plastic deformation, and brown, yellow, orange, and blue diamonds are caused by nitrogen.

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Credits:- michaelrose.com

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How are diamonds made?

A mined natural diamond is a crystallised carbon structure created beneath the earth’s surface over millions (or perhaps billions) of years under ideal heat and pressure conditions.

Diamonds were produced between 1 and 3 billion years ago in the Earth’s mantle. Diamonds are formed by heat and pressure and then transported to the Earth’s surface by deep-source volcanic eruptions or subduction zone movement, which brings the diamonds to the ocean floor. In addition, diamonds can be generated by the high heat and pressure of asteroid collisions and deep within the Earth.

At least 752 degrees Fahrenheit (400 degrees Celsius) and 434,113 pounds per square inch are required for diamond formation (30 kilobars). About 100 miles (160 kilometres) deep, the most suitable diamond-forming conditions can be found.

Earth layers Depositphotos 128076186 xl 2015

Because of the intense heat and pressure, humans cannot dive that deep into the earth. However, it is precisely this combination of tremendous heat and high-pressured mineral friction that generates the ideal environment for diamond growth.

However, scientists can only hypothesise about the time it takes diamonds to form inside the earth because people can’t walk a hundred miles down to study how diamonds form from the beginning.

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Origin of lab or synthetic diamonds

Because mined diamonds are so expensive, geologists have devised methods to make lab stones and synthetic diamonds. For example, according to the American Museum of Natural History, Swedish and American researchers discovered how to turn graphite and molten iron into diamonds in the 1950s.

Lab diamonds are identical to mined diamonds, except that they are grown in a laboratory rather than mined from the deep soil. They have the same chemical, physical, and visual qualities as mined diamonds since they are comprised of a crystalline carbon framework. The origin of lab diamonds and mined diamonds is the only distinction.
Lab produced diamonds are better for the environment and better for you because no diamond mining is involved in their manufacture (yes, they even cost less). Furthermore, because mining is no longer practised, carbon emissions and other environmental problems are considerably minimised.

How are Lab Diamonds Formed?

Lab diamonds are manufactured under the same conditions as mined diamonds, which means that each one will be unique. As a result, they are graded using the same Diamond Quality 4Cs. The total quality of a stone is graded using this technique, determining how much a diamond is worth.
Like flowers in a greenhouse, lab diamonds are developed from a carbon seed. However, scientists can now duplicate the circumstances in which diamonds develop naturally using two primary methods: Chemical Vapor Deposition (CVD) and High-Pressure High Temperature (HPHT) thanks to advances in technology (HPHT).

Chemical Vapor Deposition is a newer and more adaptable technology (CVD). First, a thin slice of diamond seed (typically an HPHT-produced diamond) is placed in a chamber and heated to intense temperatures, similar to what a raw diamond would go through in the earth. The chamber is then filled with gases like methane, which aid in the formation of the diamond. Next, lasers are used to ionize the gases and turn them into plasma. The ionization disrupts the molecular connections, causing the carbon to stick to the diamond seed and crystalize slowly. The end product is a crystalized carbon structure that looks just like a mined diamond.

The High-Temperature High-Pressure approach is still popular, and it produces the same effects. This approach employs one of three production processes: a belt press, a cubic press, or a split-sphere press. All three of these processes produce a high-pressure, high-temperature environment. For example, a diamond seed is inserted into carbon in this way. It is then heated to nearly 2000 degrees Fahrenheit and compressed to around 1.5 million pounds per square inch using one of the three processes. As the carbon melts, it begins to form a diamond seed. The end consequence of the cooling process is a crystallized carbon structure.

What are Diamonds Alternative

Diamond substitutes are synthetic stones that look like diamonds but differ chemically. Cubic zirconia, morganite, and amethyst are just a few of the options available today. Because they are constructed of different materials, each stone has its unique qualities. CZ is one of the most common diamond substitutes on the market, and it’s frequently encountered in low-cost jewellery. Although a well-cut CZ may appear identical to a diamond at first glance, it is far more porous than a diamond, allowing impurities to enter and dulling the stone over time.

The Nexus DiamondTM alternative is the best diamond substitute in the market, as it most closely resembles the look, feel, and wear of a flawless mined diamond, with two exceptions: it is substantially less expensive and perfect in every manner. Nexus Diamonds are manufactured with a special recipe and patented coating material that allows them to reflect light at a considerably higher rate than conventional stimulants. The result is a stone that is more like a colourless, flawless diamond in terms of hardness, weight, and porosity than other alternatives.

How are real diamonds made?

Diamonds occur naturally in the earth’s mantle, where severe temperatures and pressures exist. This is the critical temperature and pressure for the production and stability of natural diamonds. Under the intense conditions, the carbon atoms link together to form a diamond.

Where does a diamond come from?

Around 100 miles beneath the Earth’s surface, a natural diamond is formed. Each natural diamond is formed of pure carbon that has been squeezed by the Earth’s pressure over time to form the hardest substance on the planet.

What makes a diamond so valuable?

Diamonds were utilised by the earliest documented cultures to represent power, the value of love, and even magical instruments. The natural strength and unique visual look of a diamond, as well as its relative rarity, are likely to contribute to its high value. Even a low-grade gem-quality diamond has value and is beautiful.

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