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Light shines on the solitaire engagement ring

Advantages & Disadvantages of Lab Grown Diamonds

This guide explores the pros and cons of lab-grown diamonds, helping you make a more informed choice and find the right diamond jewelry for your lifestyle and budget.

Advantages of Lab-Grown Diamonds

  • Lower prices: Compared with natural diamonds of similar 4C quality, lab-grown diamonds are more affordable, typically costing 30% to 50% less. This also allows you to purchase a larger or higher-quality diamond at a lower price.

Screenshot of Brilliant Earth showing 1ct natural diamond prices, with a round D color VVS1 diamond listed at $8,550.

Image: Brilliant Earth 1 ct natural diamond price

Screenshot of Brilliant Earth showing 1ct lab grown diamond prices, with a round D color VVS1 diamond listed at $1,020.
Image: Brilliant Earth 1 ct lab-grown diamond price
  • Appearance and composition: Lab-grown diamonds have the same hardness and refractive index as natural diamonds, which means they exhibit the same brilliance and fire.

  • More environmentally friendly: Lab-grown diamonds can reduce the need for large-scale mining and may lower the environmental impact associated with diamond production. They are also considered conflict-free and are not associated with “blood diamonds.”

  • Controllable quality: In a laboratory setting, it is easier to produce colorless, high-clarity diamonds with consistent quality.

  • Available in a range of sizes and colors: Lab-grown diamonds are available in larger carat weights as well as fancy colors, such as pink, blue, and yellow.

Lab-grown halo engagement ring with a brilliant round center stone and pavé diamond band.
Lab-Grown Halo Engagement Ring with Half Pavé Band in 18K White Gold
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Emerald cut three-stone engagement ring with tapered baguette side stones.
2 CT Three-Stone Lab Diamond Engagement Ring in 18K White Gold
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Pear halo engagement ring with a unique double chevron pavé band by CARAXY.
Pear Cut Lab-Grown Diamond Halo Engagement Ring with Double Chevron Pavé Band
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Disadvantages of Lab-Grown Diamonds

  • Lower rarity and emotional appeal: Compared with natural diamonds, lab-grown diamonds may not offer the same sense of rarity, tradition, or emotional symbolism for some buyers.

  • Weaker resale value: Lab-grown diamonds generally have weaker resale performance, as resale and buyback options are often more limited.

  • Limited consumer awareness: Compared with natural diamonds, lab-grown diamonds are still less widely understood by some consumers. As a result, they are sometimes misunderstood as not being real diamonds.

Whether a lab-grown diamond is the right choice depends on several factors. Understanding the pros and cons of lab-grown diamonds can also help you better evaluate their value, key differences, and whether they are the right fit for you before making a purchase.

A gemologist examining a loose diamond with a 10x jeweler's loupe for clarity inspection.

Why Are More Couples Choosing Lab Grown Diamond for Engagement Rings?

For today's couples, a diamond is no longer just about a beautiful appearance. They care more about underlying meaning and long-term values. That is why lab-grown diamonds are becoming increasingly popular.

Here are some of the main reasons:

  1. Ethical value: Lab-grown diamonds avoid the conflict issues associated with some mined diamonds, making love feel more pure and transparent.
  2. Environmental benefits: Lab-grown diamonds reduce the environmental impact of traditional mining, including land disruption and excessive resource consumption, offering a more eco-conscious way to express love.
  3. Affordable with better value: Lab-grown diamonds can offer a larger size or higher quality at a price that is often 30% to 50% lower than natural diamonds.
  4. Share the same visual beauty: Lab-grown diamonds have the same stable carbon crystal structure as natural diamonds, which means they are real diamonds. To the naked eye, they look virtually identical.
  5. A more personal choice: Lab-grown diamonds offer greater flexibility in shape and design, making it easier to create a ring that reflects personal style and modern taste.

If you’d like to learn more about why more and more couples are choosing lab-grown diamonds as their preferred engagement ring option, explore more here: Why Are More Couples Choosing Lab-Grown Diamonds?

Side view of a vintage round halo pavé engagement ring standing upright with soft light and shadow.

What to Say When Someone Asks If Your Diamond Is Natural

For many people, questions like this can be difficult to avoid. But when they do come up, they can feel awkward or even uncomfortable. Depending on the situation and your relationship with the other person, here are a few ways you can respond with confidence:

  • Respond directly—Acknowledge what you know while also showing that you made a thoughtful and informed choice.

Example:

“Yes, my diamond is lab-grown. But in terms of physical and chemical properties, it's the same as a natural diamond. I chose it because it offered the quality I wanted and also avoided the ethical concerns associated with mining.”

  • Set a gentle boundary—Shift the conversation politely while still making your attitude clear.

Example:

“Why, does the ring matter that much to you? We just love the process. Anyway... enough about objects. Tell me something real—what's going on with you?”

  • Keep it light—Show confidence, avoid overexplaining, and move the conversation along.

Example:

“I'm not sure, actually—I just know my husband picked it for me, and I think it looks great on my hand. What do you think?”

Many people have experienced moments like this, and conversations around this topic do come up. If you'd like to know how people actually reacted to this when it happened, please refer to What do you say when people ask whether your engagement is lab-grown or not?

Factors to Consider before Purchasing Diamonds

Before purchasing a diamond, it helps to understand the fundamentals of lab-grown diamonds. A good place to start is with the 4Cs—cut, color, clarity, and carat—since they play a major role in both price and appearance.

Beyond the 4Cs, it's also worth considering your preferred diamond shape, metal, and certification. Learn more in our Factors to Consider before Purchasing Diamonds.

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Lab Grown Diamond FAQ

Are lab-grown diamonds worth buying?

Yes, they can be a great choice for those who want the sparkle and durability of diamonds at a more affordable price.

Why are lab-grown diamonds more affordable?

Lab-grown diamonds are created in a more controlled environment. Compared with traditional diamond mining, this process usually requires fewer resources and lower production costs.

Can you tell the difference between lab-grown and natural diamonds?

We can't see the difference with the naked eye. The main difference lies in how they are formed. Learn more in our Lab-Grown Diamond Guide.

Are lab-grown diamonds durable enough for everyday wear?

Yes. Like natural diamonds, lab-grown diamonds rank 10 on the Mohs hardness scale, which makes them durable.

How do I choose a lab-grown diamond?

Focus on the 4Cs—cut, clarity, color, and carat—along with certification and an overall style that fits your needs and budget.

How can I know the details of the diamond i bought?

The most reliable way is to check the diamond grading report that came with your stone; IGI or GIA should issue it.

Will lab-grown diamonds pass the diamond tester?

Yes, they are real diamonds and have the same physical and chemical properties as natural diamonds.

What's the difference between lab-grown diamonds, moissanit, and cubic zirconia?

Moissanite and cubic zirconia are diamond simulants, not real diamonds. Lab-grown diamonds, on the other hand, are real diamonds that are created in a laboratory rather than mined from the earth. Learn more in our Lab-Grown Diamonds Guide.

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