Most Googled Questions About Lab Grown Diamonds: Answered

Lab-grown diamonds have exploded in popularity over recent years. Whether you are searching for the perfect engagement ring, upgrading your everyday jewelry, or simply curious about the science behind modern gemology, you likely have a few questions.

To clear up the confusion, we gathered and answered the most frequently Googled questions about lab-grown diamonds.

1. Are Lab-Grown Diamonds Real Diamonds?

Yes, absolutely. Lab-grown diamonds are 100% real diamonds.

They share the exact same physical, chemical, and optical properties as mined diamonds. Both consist of pure crystallized carbon and rank as a 10 on the Mohs hardness scale, making them identically durable, scratch-resistant, and brilliant.

The Federal Trade Commission (FTC) officially recognizes lab-created diamonds as real diamonds. The only difference is where they originated: one grew deep within the Earth over billions of years, while the other was grown above ground in weeks.

2. Will Lab-Grown Diamonds Pass a Diamond Tester?

Yes. Standard diamond testers measure thermal and electrical conductivity. Because lab-grown diamonds have the exact same chemical structure as natural diamonds, they will test positive as real diamonds on standard jewelry industry testing tools.

Fun Fact: Even expert gemologists cannot distinguish a lab-grown diamond from a natural diamond with the naked eye or a traditional jeweler’s loupe. Specialized laboratory equipment is required to detect microscopic growth patterns unique to lab creation.

3. How Are Lab-Grown Diamonds Made?

Lab diamonds are grown using advanced technology that replicates the natural conditions of heat and pressure under the Earth's crust. There are two primary methods:

• HPHT (High Pressure High Temperature): A diamond "seed" is placed in a mechanical press and subjected to extreme temperatures (over 2,000°F) and immense pressure to replicate the Earth's mantle.

• CVD (Chemical Vapor Deposition): A diamond seed is placed in a vacuum chamber filled with carbon-rich gases (like methane). Microwave energy breaks down the gas, causing pure carbon atoms to deposit onto the seed layer by layer.

Both processes take anywhere from 2 to 6 weeks to produce a rough gem ready for cutting and polishing.

4. Why Are Lab-Grown Diamonds Cheaper Than Natural Diamonds?

Lab-grown diamonds generally cost 50% to 80% less than natural mined diamonds of equivalent quality.

The price difference isn't due to lower quality, but rather supply chain efficiency:

• No Heavy Mining Costs: Earth-mined diamonds require massive, capital-intensive excavation operations.

• Shorter Supply Chain: Lab diamonds travel through fewer middlemen before reaching consumers.

• Reproducible Supply: While natural diamonds are finite, lab-grown diamonds can be produced on demand in controlled environments.

This price gap allows buyers to select a larger carat size or higher color and clarity grade within their target budget.

5. Do Lab-Grown Diamonds Get Cloudy or Fade Over Time?

No. Lab-grown diamonds do not cloud, discolor, or lose their sparkle over time.

Because they possess the exact same crystalline structure as natural diamonds, their brilliant shine, clarity, and hardness are permanent. If a lab diamond looks dull after continuous wear, it simply needs a quick cleaning with warm water, mild soap, and a soft toothbrush to remove everyday oils and lotion buildup.

6. Are Lab-Grown Diamonds Certified?

Yes. Independent gemological laboratories including the GIA (Gemological Institute of America) and IGI (International Gemological Institute) grade and certify lab-grown diamonds.

Lab-grown diamond certificates use the same 4 Cs criteria as natural diamonds:

1. Carat Weight: The mass/size of the stone.

2. Cut: How well the facets interact with light (determines brilliance).

3. Color: The degree of colorlessness (graded D through Z).

4. Clarity: The presence or absence of microscopic internal inclusions or surface blemishes.

Conclusion

Should You Choose a Lab-Grown Diamond?

Choosing between a lab-grown diamond and a natural diamond ultimately comes down to personal preference:

• Choose Lab-Grown if: You want maximum carat size and quality for your budget, value modern scientific innovation, and prefer a guaranteed conflict-free origin.

• Choose Natural if: You prioritize natural rarity, historical origin, and traditional resale market value.

Whichever option you choose, always ensure your gemstone comes with an independent grading report from an accredited lab like IGI or GIA.