Learn More About Lab Grown Diamonds

What is a Lab Grown Diamond?

A lab-grown diamond, also known as a synthetic, artificial, cultured, or man-made diamond, is created through technological processes rather than mined from the Earth. Unlike imitation diamonds, such as cubic zirconia or moissanite, lab-grown diamonds have the same chemical composition, crystal structure, optical properties, and physical characteristics as natural diamonds.

Are Lab Grown Diamonds Real Diamonds?

Yes, lab-grown diamonds are real diamonds. They have the same chemical composition, crystal structure, optical properties, and physical characteristics as diamonds mined from the Earth. The key difference lies in their origin: lab-grown diamonds are created in controlled laboratory environments using advanced technological processes, whereas natural diamonds are formed over billions of years under the Earth's crust through natural geological processes.

What are the Benefits of a Lab Grown Diamond?

Lab-grown diamonds offer several benefits that make them an attractive choice for consumers and industries alike. These benefits span environmental, ethical, economic, and quality aspects:

1. Environmental Benefits:

Reduced Impact: The production of lab-grown diamonds has a significantly lower environmental impact compared to traditional diamond mining, which involves extensive land disturbance and ecosystem disruption.

Less Water Use: The lab-growing process uses considerably less water than the massive amounts required for the extraction of natural diamonds.

Lower Carbon Footprint: Although energy-intensive, advancements in technology are continually reducing the carbon footprint associated with creating diamonds in a lab, especially when renewable energy sources are used.

2. Ethical Advantages:

Conflict-Free: Lab-grown diamonds eliminate concerns over conflict diamonds—also known as "blood diamonds"—which are mined in war zones and sold to finance conflicts against governments.

Transparent Supply Chain: The supply chain for lab-grown diamonds is shorter and more transparent, making it easier for consumers to know the origin of their diamond and ensuring that labor practices are fair.

3. Economic Benefits:

Cost-Effective: Generally, lab-grown diamonds cost less than natural diamonds of similar size and quality. This makes high-quality diamonds more accessible to a broader range of consumers.

Predictable Supply: The production of lab-grown diamonds is not subject to the same geopolitical and environmental uncertainties that can affect the supply of natural diamonds, leading to more stable prices.

4. Quality and Variety:

Customizable: The conditions in which lab-grown diamonds are created can be precisely controlled, allowing for the production of diamonds with specific characteristics or fewer imperfections.

Range of Options: Lab-grown diamonds are available in a wide variety of sizes, shapes, and colors, including some that are rare or expensive to find in nature.

5. Social Responsibility:

Supports High-Tech Industry: The production of lab-grown diamonds supports technological innovation and provides high-tech jobs.

While lab-grown diamonds offer these benefits, consumer preference ultimately depends on individual values, such as the importance of having a naturally occurring gemstone versus one that is ethically sourced and environmentally friendly.

How Are Lab Grown Diamonds Made?

Lab-grown diamonds are created using two primary technological processes that mimic the natural conditions under which diamonds form over billions of years beneath the Earth's surface. These methods are the High Pressure High Temperature (HPHT) method and the Chemical Vapor Deposition (CVD) method. Here's how each process works:

1. Chemical Vapor Deposition (CVD): In this method, a small diamond seed is placed in a chamber filled with a carbon-rich gas (typically methane) and other gases. The chamber is heated to high temperatures, and the gases are ionized into plasma using microwaves, lasers, or other techniques. This causes the carbon atoms in the gas to accumulate on the diamond seed, layer by layer, growing a diamond over time.

2. High Pressure High Temperature (HPHT): This method simulates the natural diamond-forming conditions deep within the Earth. It involves placing a diamond seed in a press, which is then subjected to extremely high pressures and temperatures. The high pressure and temperature cause the carbon atoms to crystallize around the seed, resulting in a diamond.

Both HPHT and CVD diamonds are real diamonds but are distinguished from natural diamonds only by their origin. The choice between HPHT and CVD methods depends on the specific requirements of the diamond being created, such as its size, clarity, and intended use. Advances in technology continue to improve the efficiency and quality of lab-grown diamonds, making them increasingly popular for both industrial applications and jewelry.

What is the Difference Between a Lab Grown Diamond and a Synthetic Diamond?

Lab-grown diamonds and simulated diamonds differ significantly in their composition, properties, and how they're made. Here's a breakdown of the key differences:

Lab-Grown Diamonds

Composition: Lab-grown diamonds have the same chemical, physical, and optical properties as natural diamonds. They are made of carbon atoms arranged in a diamond crystal lattice.

Creation: They are created in a lab using either the High Pressure High Temperature (HPHT) or Chemical Vapor Deposition (CVD) method, which replicate the natural conditions under which diamonds form over billions of years beneath the Earth's surface.

Value and Use: Lab-grown diamonds are real diamonds and are therefore used in a variety of applications that require the unique properties of diamonds, such as in jewelry, industrial cutting, and drilling tools. They tend to be less expensive than natural diamonds but are valued for their quality and ethical production.

Simulated Diamonds

Composition: Simulated diamonds, such as cubic zirconia (CZ) and moissanite, are not made of carbon atoms arranged in a diamond lattice. Instead, they are made from different materials. Cubic zirconia is made of zirconium dioxide, and moissanite is made of silicon carbide.

Creation: These materials are manufactured through different chemical and physical processes, distinct from those used to make real diamonds. For example, cubic zirconia is produced by melting zirconium oxide powder with stabilizers at high temperatures, while moissanite can be synthesized in a lab using a thermal process.

Value and Use: Simulated diamonds do not have the same physical and chemical properties as real diamonds. They are much less expensive and are often used as diamond substitutes in jewelry for those who prefer a less costly alternative. While they can look similar to diamonds, they typically do not have the same hardness, brilliance, or durability.

In summary, lab-grown diamonds are actual diamonds with properties identical to those of natural diamonds, just created in a lab. In contrast, simulated diamonds are materials that mimic the appearance of diamonds but differ in composition and properties. Lab-grown diamonds are suitable for those who seek the authenticity of real diamonds with a more ethical and less expensive origin, while simulated diamonds are chosen for their aesthetic resemblance to diamonds at a much lower cost.

How are Lab Grown Diamonds Graded?

Lab-grown diamonds are certified and graded using criteria similar to those applied to natural diamonds. This process ensures that each diamond's quality and characteristics are thoroughly assessed. The grading system evaluates the four Cs: Carat (weight), Cut, Color, and Clarity. Additionally, lab-grown diamonds are examined for their origin to distinguish them from natural diamonds. Here's how the process typically unfolds:

1. Certification Bodies

Lab-grown diamonds are certified by reputable gemological laboratories around the world. Some of the prominent organizations include:

Gemological Institute of America (GIA): One of the most respected names in diamond certification, GIA now offers reports for lab-grown diamonds, detailing their 4Cs in a manner similar to natural diamonds.

International Gemological Institute (IGI): IGI was among the first to provide grading reports for lab-grown diamonds and is known for its detailed analysis and grading of both natural and synthetic diamonds.

2. Grading Process

The grading process for lab-grown diamonds is as meticulous as for natural diamonds, involving advanced equipment and expert gemologists. The steps include:

Carat: The weight of the diamond is measured with precise scales.

Cut: The quality of the diamond's cut is assessed based on its proportions, symmetry, and polish, affecting its sparkle and overall appearance.

Color: Color grading for lab-grown diamonds ranges from colorless to light yellow or brown, similar to natural diamonds. The grading assesses how close a diamond is to being colorless.

Clarity: This involves examining the diamond under magnification to identify any inclusions or blemishes, with grades ranging from flawless (no inclusions visible under 10x magnification) to included (inclusions visible with the naked eye).

3. Disclosure and Ethics

It's mandatory for lab-grown diamonds to be clearly disclosed as such, both to protect consumers and to ensure transparency in the market. This distinction is clearly noted on their certification reports.

Ethical standards and sustainability are also important factors in the certification of lab-grown diamonds, appealing to consumers interested in environmentally friendly and conflict-free options.

4. Laser Inscription

Often, lab-grown diamonds are laser-inscribed on the girdle with a unique identification number and a statement indicating their lab-grown origin. This provides an additional layer of transparency and assurance for consumers.

Lab-grown diamonds offer a more sustainable and ethical choice without compromising the quality and brilliance associated with natural diamonds. Their certification and grading process ensure that consumers have a clear understanding of what they are purchasing, with detailed reports that reflect each diamond's unique characteristics.

FAQs Regarding Lab Grown Diamond at Precious Lab

Does Precious Lab sell loose Lab Grown Diamonds?

Yes, at Precious Lab we sell high-quality lab grown diamonds. We are able to offer a wide selection of loose diamonds including lab created diamonds by being connected to lab grown diamond manufacturers from across the world. 

What is a Lab Grown Diamond Certificate?

Certified gemological institutes grade lab-grown diamonds using the same 4 Cs that are used to grade naturally mined diamonds. It means that the properties of each diamond, such as its color grade, carat weight, clarity grade, and cut grade, are validated by a diamond certificate like the natural one.

The most well-known grading laboratories that give this type of certificate are the Gemological Institute of America (GIA), and the International Gemological Institute (IGI).

You can make an informed decision and compare similarly graded diamonds by having a certificate like these.

Are Lab Grown Diamonds fake?

No, lab-grown diamonds are not fake. They have the same chemical composition, physical properties, and optical qualities as natural diamonds, but are created in a lab rather than mined from the earth.

Can Lab Grown Diamonds test as moissanite?

Lab grown diamonds will test as diamonds, especially if accurate testing equipment is used. A professional at a diamond testing lab can easily differentiate between lab diamonds and moissanites by testing their refractive properties. Moissanite exhibits double refraction while lab grown diamonds display single refraction.

Are Lab Grown Diamonds cheaper than natural diamonds?

Yes. Lab grown diamonds are produced at scale. This means they have no intrinsic rarity, which makes them less expensive than natural diamonds.

What are the advantages and disadvantages of a Lab Grown Diamond?

Advantages:
    • Generally cheaper than natural diamonds.
    • Avoids the ethical issues linked to diamond mining.
    • Less ecological footprint compared to mined diamonds.
    • Offers high-quality options and rare colors at lower prices.
Disadvantages
    • Typically lower resale value than natural diamonds.
    • Some view lab-grown diamonds as less prestigious due to their synthetic origin.
    • Prices and demand can fluctuate more than natural diamonds.

Can you insure Lab Grown Diamonds?

Yes. Like mined diamonds, laboratory-grown diamonds are simple to appraise and insure.