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Lab Grown Diamond vs Cubic Zirconia - Comparision

lab diamond vs CZ

When it comes to choosing a sparkling gemstone for your jewelry, the options seem endless. lab diamonds and Cubic zirconia stand out as popular choices, each with its unique characteristics. In this comprehensive guide, we will explore the similarities, differences, and factors to consider when deciding between lab-grown diamonds and cubic zirconia.

What is Lab Grown Diamond:

This lab-created diamonds possess identical physical, chemical, and optical properties to natural diamonds. They exhibit the same hardness, brilliance, and fire, making them virtually indistinguishable from mined diamonds to the naked eye and even to many gemological instruments.

Lab Grown Diamonds Origins and Formation:

how lab diamond created

Lab grown diamonds are created using advanced technological processes that replicate the natural conditions under which diamonds form. Whether through Chemical Vapor Deposition (CVD) or High Pressure High Temperature (HPHT) methods, lab-grown diamonds share the same physical and chemical properties as natural diamonds. Their ethical sourcing and identical visual characteristics make them an increasingly popular choice among conscious consumers.

Lab Diamonds Ethical Considerations:

One of the key advantages of lab grown diamonds is their ethical sourcing. Traditional diamond mining has been associated with environmental concerns and ethical issues, such as the sourcing of conflict diamonds. Lab diamonds offer a sustainable and conflict-free alternative, aligning with the values of those seeking an ethically responsible choice.

What is Cubic Zirconia:

Cubic zirconia Origin And Compostion

Cubic zirconia (CZ) is a man made gemstone composed of zirconium oxide. Created in a laboratory setting, CZ became popular as an affordable alternative to diamonds due to its remarkable brilliance and clarity. While it doesn't possess the same geological history as natural diamonds, its affordability and visual appeal make it a favored choice for a range of jewelry.

Visual Characteristics:

Cubic zirconia is known for its exceptional sparkle and fire. Its brilliance is often described as intense, with flashes of colorful light. The absence of inclusions contributes to its clarity, providing a crystal-clear appearance. While cubic zirconia may lack the depth and complexity of a diamond, it offers a dazzling and budget-friendly option for those seeking a glamorous look.

Cubic Zirconia vs. Lab Grown Diamond: A Detailed Comparison:

Cubic Zirconia vs. Lab Grown Diamond

Visual Appearance:

  1. Brilliance: Both cubic zirconia and lab created diamonds exhibit exceptional brilliance, creating a dazzling display of light. However, the brilliance of lab-grown diamonds may be perceived as more subtle and nuanced compared to the intense sparkle of cubic zirconia.
  1. Fire: Cubic zirconia is known for its vibrant flashes of color, often referred to as fire. Lab-grown diamonds also display fire, though it may be less pronounced. The choice between the two depends on individual preferences regarding the intensity of color flashes.

 Cubic zirconia vs Lab Diamond Durability:

  • Cubic Zirconia Durability: Cubic zirconia is relatively durable but not as hard as diamonds. It may be more prone to scratches, chips, and abrasions over time, especially when subjected to rough handling. Lab-Grown Diamond.
  • Lab-grown diamonds are extremely durable, ranking 10 on the Mohs scale of hardness, the same as natural diamonds. They are resistant to scratches, chips, and damage, making them suitable for everyday wear in various jewelry settings.

Cubic Zirconia vs Lab Colored Diamonds: Variation

  • Cubic Zirconia Colored Diamond: Cubic zirconia stones are often colorless but can also be produced in various colors through the addition of different elements during the manufacturing process. They can exhibit vibrant hues such as pink, blue, or yellow. On the other hand,
  • Lab-grown Colored diamonds are typically colorless or near-colorless, similar to high-quality natural diamonds. They can also occur in fancy colors due to the presence of trace elements during the growth process, but colorless lab-grown diamonds are more common.

Cubic Zirconia vs Lab Diamond Clarity

  • Cubic Zirconia: Cubic zirconia stones are often flawless or have minimal inclusions due to their synthetic nature. They generally have high clarity and transparency, while Lab-grown diamonds can vary in clarity, ranging from flawless to included, depending on the production process. Like natural diamonds, they can contain internal characteristics known as inclusions, which may affect their clarity grade.

Lab Grown Diamond vs Cubic Zirconia Authenticity

  • Lab grown diamonds share the same origin as natural diamonds – carbon atoms arranged in a crystal lattice structure. Cubic zirconia, being a synthesized material, does not have the same geological origin as diamonds. For those who appreciate the geological journey of gemstones, lab-grown diamonds may hold greater appeal.

Cubic Zirconia vs Lab Diamond Affordability:

  • Cubic zirconia is considerably more affordable than lab-grown diamonds. While lab-grown diamonds offer a cost-effective alternative to natural diamonds, cubic zirconia provides an even more budget-friendly option. Affordability can be a significant factor for those looking for a stunning yet economical choice.

Lab Diamond vs Cubic Zirconia Longevity

  • Diamonds, including lab diamond, are renowned for their wear resistance and ability to withstand scratches. Cubic zirconia, while durable, may show signs of wear over time, making it important to consider the longevity of the chosen gemstone.

Lab Diamond vs Cubic Zirconia Ethical Consideration:

  • Lab diamonds score higher in terms of sustainability and ethical considerations. The environmental impact of cubic zirconia production is generally lower than that of natural diamonds but may not match the eco-friendly profile of lab-grown diamonds.

Cubic Zirconia vs Lab Grown Diamond Customization:

  • Both cubic zirconia and lab grown diamonds offer a range of customization options in terms of shapes, sizes, and settings. Lab-grown diamonds may provide a wider variety of options, including different colors and clarities, allowing for a more personalized choice.

Lab grown diamond Chemical Properties

  • Cubic Zirconia: It is composed of zirconium dioxide (ZrO2) and is entirely synthetic. It lacks the carbon atoms that characterize diamonds.
  • Lab created diamonds are composed of carbon atoms arranged in a crystal lattice structure, identical to natural diamonds. They have the same chemical properties as mined diamonds, distinguishing them from cubic zirconia.

Lab Grown Diamond vs Cubic Zirconia Process Of Making

  • Cubic Zirconia: Cubic zirconia is produced through a process called the Verneuil method or the flame fusion method, which involves melting powdered zirconium dioxide and allowing it to crystallize as it cools.        Lab Grown Diamond: Lab-grown diamonds are created through two main methods: High Pressure High Temperature (HPHT) and Chemical Vapor Deposition (CVD). These processes simulate the conditions under which natural diamonds form in the Earth's mantle, resulting in the growth of diamond crystals over time

Read Also:- Lab Diamond vs Moissanite

Are Lab-Grown Diamonds Better Than Cubic Zirconia?

The determination of whether lab grown diamonds are better than cubic zirconia depends on individual preferences, priorities, and the intended use of the gemstone. Here are some key considerations:

  1. Occasional vs. Everyday Wear: Cubic zirconia, being more affordable, can be an excellent choice for occasional wear or special occasions where a glamorous look is desired without a significant investment. Lab grown diamonds, with their durability, are suitable for everyday wear and may be a preferred choice for engagement rings or daily jewelry.
  1. Environmental Impact: If environmental impact is a priority, man made diamonds are the more sustainable choice. The production of cubic zirconia involves less environmental impact compared to natural diamonds but may not align with the eco-conscious values of some consumers.
  1. Budget Constraints: For those on a tight budget seeking a dazzling appearance, cubic zirconia provides an affordable option. Lab grown diamonds offer a balance between affordability and the desire for a gemstone with similar properties to natural diamonds.
purchase lab diamond

In the cubic zirconia vs. lab-grown diamond showdown, there is no one-size-fits-all answer. The choice between the two gemstones depends on personal preferences, values, and the specific requirements of the intended jewelry piece. Whether you opt for the affordable sparkle of cubic zirconia or the ethical and durable brilliance of lab created diamonds, both choices offer an opportunity to adorn yourself with a stunning gemstone that suits your style and aligns with your priorities. Gemone Diamonds is a stop solution to customization, affordability, and quality for both lab grown diamonds as well as Cubic Zirconia.  


1.What’s the best size for a cubic zirconia stone?

Ans. The best size for a cubic zirconia stone depends on personal preference and the intended use. Cubic zirconia stones come in various sizes, from small accents to larger focal points. Consider factors such as the setting style, occasion, and desired look when choosing the size of a cubic zirconia stone.

2. Is lab diamonds better than cubic zirconia?

Ans. Lab-grown diamonds are typically considered superior to cubic zirconia in terms of hardness, durability, and resemblance to natural diamonds. While cubic zirconia is a synthetic material designed to mimic the appearance of diamonds.

3. Are lab-grown diamonds real?

Ans. Yes, lab-grown diamonds are real diamonds. They are created using advanced technology in a laboratory environment, replicating the natural process that forms diamonds deep within the Earth's crust.

4. Is cubic zirconia a fake diamond?

Ans. Cubic zirconia is not a real diamond. It is a synthetic material made from zirconium dioxide, which is designed to mimic the appearance of diamonds. While cubic zirconia may resemble diamonds to the naked eye, it lacks the chemical and physical properties that make diamonds unique.

5. Which is the best cut for a lab diamond?

Ans. The best cut for a lab diamond depends on personal preference and desired aesthetics. Lab-grown diamonds can be cut into various shapes and styles, including round brilliant, princess, cushion, and emerald cuts, among others. Consider factors such as brilliance, sparkle, and overall appearance when choosing the best cut for a lab diamond.

6. Does Cubic Zirconia Look Cheap?

Ans. Cubic zirconia can sometimes be perceived as looking less expensive compared to diamonds due to its lower cost and lack of rarity. However, the appearance of cubic zirconia can vary depending on factors such as cut, clarity, and setting.

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