Are Lab-Grown or Created Diamonds Real Diamonds?

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lab-created diamonds


The debate over whether lab-grown or created diamonds are real diamonds has garnered significant attention in recent years. With advancements in technology, lab-grown diamonds have become increasingly popular, offering a sustainable and affordable alternative to natural diamonds. But are they truly the same as their natural counterparts? This article explores the nature of lab-grown diamonds, their properties, and their place in the jewelry market.

What Are Lab-Grown Diamonds?

Lab-grown diamonds, also known as synthetic or created diamonds, are produced in laboratories using advanced technological processes that mimic the natural formation of diamonds. These processes involve subjecting carbon to high pressure and temperature, similar to the conditions deep within the Earth where natural diamonds form.

Methods of Creating Lab-Grown Diamonds

There are two primary methods used to create lab-grown diamonds:

  • High Pressure High Temperature (HPHT): This method simulates the natural conditions under which diamonds form. Carbon is subjected to extremely high pressures and temperatures, resulting in the formation of diamond crystals.
  • Chemical Vapor Deposition (CVD): In this method, a carbon-rich gas is ionized to break down the molecular bonds, and carbon atoms are deposited onto a substrate, forming a diamond layer by layer.
Method Description
High Pressure High Temperature (HPHT) Carbon is subjected to high pressure and temperature to form diamonds.
Chemical Vapor Deposition (CVD) Carbon atoms are deposited onto a substrate from a gas to form diamonds.

Physical and Chemical Properties

Lab-grown diamonds possess the same physical, chemical, and optical properties as natural diamonds. Both types of diamonds are composed of pure carbon arranged in a crystalline structure. They exhibit identical hardness, refractive index, and thermal conductivity.

Property Lab-Grown Diamonds Natural Diamonds
Composition Pure carbon Pure carbon
Hardness 10 on the Mohs scale 10 on the Mohs scale
Refractive Index 2.42 2.42
Thermal Conductivity High High

Certification and Grading

Lab-grown diamonds are graded and certified using the same criteria as natural diamonds. Institutions like the Gemological Institute of America (GIA) and the International Gemological Institute (IGI) evaluate diamonds based on the Four Cs: Carat weight, Cut, Color, and Clarity.

This means that lab-grown diamonds can receive high grades for their quality, making them comparable to high-quality natural diamonds.

Grading Aspect Description
Carat Weight Measures the diamond’s weight.
Cut Evaluates the quality of the diamond’s cut, impacting its brilliance.
Color Assesses the presence of any color in the diamond.
Clarity Examines the diamond for internal or external imperfections.

Environmental Impact

One of the most compelling reasons to consider lab-grown diamonds is their environmental impact. The process of mining natural diamonds involves significant disruption to the environment, including soil erosion, deforestation, and biodiversity loss.

In contrast, lab-grown diamonds have a much smaller environmental footprint. They require less energy and water, and they avoid the ecological damage associated with mining.

Impact Type Lab-Grown Diamonds Natural Diamonds
Energy Consumption Generally lower High due to extensive mining operations
Water Usage Minimal compared to mining Significant due to mining processes
Ecological Disruption None High, affecting land and wildlife


Lab-grown diamonds are typically more affordable than natural diamonds. This cost difference arises because the production of lab-grown diamonds does not involve the extensive and costly mining operations required for natural diamonds.

As a result, consumers can purchase larger or higher quality lab-grown diamonds for the same price as smaller or lower quality natural diamonds.



Lab-grown diamonds are real diamonds, sharing the same physical and chemical properties as natural diamonds. They offer an environmentally friendly and cost-effective alternative without compromising on quality or beauty. As technology advances, lab-grown diamonds continue to gain acceptance and popularity in the jewelry market, providing consumers with a viable and attractive option.


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