When shopping for diamonds, you’ll likely encounter two main types: natural diamonds and lab-grown diamonds. While both options are stunning and share many similarities, there are key differences between them that are important to understand, especially when making an informed purchase. As a jewelry expert, let’s dive into the distinctions between these two beautiful gemstones and help you decide which one is right for you.

What Are Natural Diamonds?
Natural diamonds are the gems that have been forming deep within the Earth for billions of years. Under extreme heat and pressure, carbon atoms bond together to form a crystalline structure. This process takes place in the Earth’s mantle, and natural diamonds are brought to the surface through volcanic eruptions. The result is a gemstone that is both rare and incredibly durable, known for its sparkle and brilliance.
Natural diamonds are evaluated based on the 4 Cs—cut, color, clarity, and carat weight—factors that determine their overall quality. Each diamond is unique, carrying its own history formed over millions of years beneath the Earth’s surface.
What Are Lab-Grown Diamonds?
Lab-grown diamonds, also called synthetic or cultured diamonds, are real diamonds that are created in a laboratory using technology that mimics the natural diamond-forming process. There are two primary methods used to create lab-grown diamonds:
- High Pressure High Temperature (HPHT): This method mimics the natural conditions that form diamonds by applying extreme pressure and heat to carbon.
- Chemical Vapor Deposition (CVD): In this process, carbon-rich gases are heated to create a plasma, which allows the carbon atoms to bond and form a diamond crystal.
While lab-grown diamonds are chemically identical to natural diamonds and have the same crystal structure, the key difference is that they are created in a controlled environment rather than over millions of years.
Key Differences Between Natural and Lab-Grown Diamonds
Here’s a breakdown of the main differences between natural and lab-grown diamonds:
Feature | Natural Diamonds | Lab-Grown Diamonds |
Origin | Formed naturally over millions of years in the Earth’s mantle. | Created in a laboratory through high-pressure and high-temperature methods or chemical vapor deposition. |
Price | Typically more expensive due to their rarity and natural origin. | More affordable, as they are not as rare and can be produced in a controlled environment. |
Appearance | Often have natural inclusions or “flaws” formed during the crystallization process. | Can have fewer or no inclusions since they are created under controlled conditions. |
Environmental Impact | Mining for natural diamonds can have a significant environmental footprint. | Generally considered more eco-friendly, as they don’t require mining and can be created with less environmental impact. |
Resale Value | Historically, natural diamonds retain a higher resale value due to their rarity. | Lab-grown diamonds tend to have a lower resale value, but they offer incredible value for the price. |
Uniqueness | Each natural diamond is one-of-a-kind, with its own history and natural imperfections. | Lab-grown diamonds are often very similar to one another but can be customized for specific looks. |
Market Perception | Widely regarded as a traditional symbol of luxury, love, and rarity. | Gaining popularity for their ethical and sustainable qualities but still evolving in public perception. |
Price: The Affordable Option of Lab-Grown Diamonds
Lab-grown diamonds are typically more affordable than natural diamonds. This is primarily due to their ability to be produced in a controlled environment, which reduces the cost compared to the long and unpredictable process of natural diamond formation.
While lab-grown diamonds offer the same beauty and durability as their natural counterparts, the lower cost can allow you to invest in a larger or higher-quality diamond without breaking the bank. For many, this makes lab-grown diamonds an excellent option for engagement rings, anniversary gifts, or other significant milestones.
Value and Investment Potential
While natural diamonds have historically held their value well and been seen as a long-term investment, lab-grown diamonds do not yet have the same resale value. Natural diamonds are rare, and their value is partially driven by scarcity. Lab-grown diamonds, on the other hand, are more readily available and can be produced on demand, which affects their investment potential. However, this does not mean they lack value—many people simply view lab-grown diamonds as a more affordable and eco-friendly option that still carries immense personal and emotional value.
Which Is Right for You?
Choosing between a natural or lab-grown diamond depends on what matters most to you as a buyer. Here are a few things to consider:
- Budget: Lab-grown diamonds are often significantly more affordable, allowing you to get a larger or higher-quality stone for the same price.
- Environmental Concerns: Lab-grown diamonds are the more eco-friendly option, as they do not involve mining and often have a lower carbon footprint.
- Sentimental Value: If you value the history and rarity of natural diamonds, a natural diamond might be the right choice for you.
- Appearance: Both natural and lab-grown diamonds have the same brilliance, hardness, and appearance, so your choice will come down to personal preference.
Conclusion
Whether you choose a natural diamond or a lab-grown diamond, both options offer beauty, brilliance, and lasting value. It all comes down to what matters most to you—whether it’s the tradition, rarity, and investment potential of natural diamonds or the affordability, environmental benefits, and modern appeal of lab-grown diamonds.
At Kroman Jewelry, we’re happy to guide you through your options, whether you’re interested in a natural or lab-grown diamond. Let us help you find the perfect diamond that fits your style, values, and budget
