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Diamonds

Diamonds are the hardest mineral on earth. Ask questions about famous diamonds, mining, production and buying.

4,145 Questions

How can you tell the difference between diamond and glass by sight?

One way to differentiate between diamond and glass visually is by looking at the reflections. Diamonds have a higher refractive index than glass, which causes them to reflect light differently, giving off more brilliance and sparkle. Diamonds also have a higher dispersion of light, creating colorful flashes known as fire, which can be seen under certain lighting conditions. Glass, on the other hand, typically lacks the same level of brilliance and fire as diamonds.

Why is a diamond so bright?

Diamonds can be cut so that the facets (planes) refract and reflect light toward the upper surface. The vast majority of the light entering the gem is reflected back by the lower or "pavilion" facets in the so-called "brilliant cut."

Diamond's tight crystalline structure slows light down like no other substance on Earth. The very dense pattern of atoms in the diamond, which is mostly carbon, bends and disperses light more than in other less dense material. The speed of light in diamond is cut by more than half, and this large refractive index allows diamonds to send light back out in a sparkling display.

What is a jewelry setting called?

A jewelery setting is called a setting. The noun, setting, can be modified by the type of metal, its purity, and perhaps a style of setting, and of course, the purpose of the setting.

For example, 'This diamond is set in an 18 karat rose gold dinner ring [setting], surrounded by smaller diamonds."

Can diamond turn into graphite?

At very high temperatures and pressures, in an inert atmosphere.

Another Answer

Diamonds are formed under extreme high temperatures and ultra-heavy pressures far beneath the surface of the earth from carbon, not from graphite.

Both diamond and graphite are allotropes of carbon: the molecules are simply attached in different ways.

What is the negative about diamonds?

One negative aspect of diamonds is their high cost, as they can be quite expensive due to their rarity and marketing. Additionally, the diamond mining industry has been associated with environmental and ethical concerns, such as deforestation, habitat destruction, and human rights abuses in some regions. Lastly, the value of diamonds can be artificially inflated by diamond cartels and the industry's marketing strategies, making it difficult for consumers to know the true value of the stone they are purchasing.

Does diamond bond?

Diamond is a covalently bonded material, where each carbon atom forms four strong covalent bonds with neighboring carbon atoms in a tetrahedral structure. This makes diamond one of the hardest naturally occurring materials.

What is the only metal that cuts diamond?

Professional diamond cutters use a mallet and diamond-tipped, hardened steel chisel to cleave a diamond along its natural plane, or use a diamond-tipped saw to remove unwanted material from a rough stone.

In either case, it's not the metal that cuts the diamond, it's the diamond tips: only a diamond can 'cut' a diamond.

Read more about cutting diamonds, below.

Is a diamond a carbonate?

No, a diamond is not a carbonate. Diamonds are composed of carbon atoms arranged in a crystalline structure, while carbonates are compounds containing carbon and oxygen atoms bonded to one or more metallic elements, such as calcium carbonate (CaCO3) found in minerals like calcite and aragonite.

Does a single cut diamond have less sparkle?

Diamonds sparkle according to the refractive angles cut into the stone. A single-cut diamond has 17 facets; common round cuts today have more than 50 facets.

There's no question that a single-cut diamond will sparkle, but it might not sparkle as much as a diamond of the same weight with more facets cut into it.

How do you fix a fracture in a diamond?

Fractures in diamonds are not typically repairable -- the repair would always be visible, obvious and a de-valuing characteristic of the stone.

Most often, a diamond with a fracture must be re-cut to eliminate the fracture.

How much does a pink diamond weigh?

The weight of a pink diamond can vary greatly depending on its size and quality. Pink diamonds can be found in a wide range of weights, from a fraction of a carat to several carats. The weight of a pink diamond is typically measured in carats, with one carat being equivalent to 0.2 grams.

What does Rb mean in relation to diamonds?

Rb in relation to diamonds stands for "red fluorescence." This term refers to the presence of a red glow that some diamonds emit when exposed to ultraviolet light. Diamonds with strong red fluorescence may appear slightly pinkish or purplish in natural light.

How can you grow diamonds at home?

Growing diamonds at home is not a safe or easy process, as it involves high pressure and high temperature conditions. It is recommended to purchase diamonds from a reputable source rather than attempting to grow them at home.

Can a diamond change color?

A diamond reflects whatever light is available, and a diamond is cut to reflect the full spectrum of colour. As well, some diamonds may have a phosphorous 'afterglow' once a light source has been removed.

But a diamond will not appear blue in direct sunlight and brown in artificial light. In that sense, a diamond will not change colour.

What is the hardes mineral?

Diamond is the hardest mineral, scoring a perfect 10 on the Mohs scale of mineral hardness.

What is enamel jewelry?

Enamel is usually used in Indian jewelry but can be found it some exotic pcs also. which has different or sometimes the same color enamel (a special paint used specially for jewelry). they are also called as meenakari jewelry. it can be found in black, red, green, white and many other colors it is very shiny n neva loosed its appearance. but the enamel jewelry when bought could be expensive but has lesser value when sold. It is usually done in silver and gold.

What does clarity SI2 mean for diamond clarity?

SI2 indicates that in at least two places inside the diamond, inclusions, however slight, are visible.

You can view diamond clarity images, below, including one for a diamond graded as SI2.

Does anything turn into diamond?

Under extreme heat and pressure deep within the Earth's mantle, carbon atoms can rearrange into a diamond crystal structure. This natural process takes millions of years to occur. Additionally, lab-created diamonds can be produced by mimicking this process in a controlled environment using high-pressure, high-temperature methods.

Is genuine diamonds real?

Yes, genuine diamonds are real. They are natural stones formed deep within the earth over millions of years, known for their brilliance and hardness. Be cautious of synthetic or imitation diamonds that may appear real but are not naturally formed.

How is diamond weight measured?

Diamond weight is measured in carats, where one carat is equivalent to 0.2 grams. The weight is typically measured using precision scales capable of measuring the tiny weight of the diamond accurately. This measurement is essential in determining the value and size of the diamond.

Do diamond accents change color?

Diamonds don't change colour; diamonds reflect a rainbow of colours, depending on the light.

Stones that change colour are not diamonds, and if they are used as accents in a piece of diamond jewelery, they simply enhance the charm of the piece.

Is a diamond effervescent?

Diamonds are not effervescent as they do not react with water or other substances to release gas bubbles. Diamonds are very stable and do not undergo chemical reactions easily, which is why they are often used in industrial applications requiring hardness and durability.

Why diamond is very difficult to melts?

Diamond is difficult to melt because of its strong covalent bonds. These bonds are very strong, requiring a high amount of energy to break them and melt the diamond. Additionally, diamond has a very high melting point of about 3,500 degrees Celsius, further contributing to its difficulty in melting.

Are chocolate diamonds actually made out of chocolate?

No, chocolate diamonds are not made out of chocolate. They are a marketing term used to describe brown diamonds that have a rich, deep color resembling that of chocolate. These diamonds are natural diamonds that have not been treated or altered to achieve their brown hue.