Lab Grown Diamonds

With state-of-the-art technology, diamonds can be grown in a laboratory setting.

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What Are Lab-Grown Diamonds?

Lab-Grown Diamonds are optically, chemically, and physically, identical to natural diamonds and are created in a lab by scientists. Lab-grown diamonds provide the same luxurious diamond at flexible price points to fit anyone’s lifestyle. Lab-grown diamonds also offer the opportunity of a larger carat weight at lower costs.

Optically

Indistinguishable from the naked eye, lab-grown diamonds present the same visible qualities as their natural counterparts.

Chemically

Lab-grown diamonds are not simulants. They are formed from rough crystals taking an average of 2–4 weeks.

Physically

To confidently tell lab-grown and natural diamonds apart, advanced instruments are needed to detect the physical aspects.

What Is The Difference Between Lab-Grown And Natural Diamonds?

DiamondNaturalLab-Grown
Chemical CompositionCarbonCarbon
Crystal ShapeOctahedronCuboctahedron/Cube
Refractive Index2.422.42
Dispersion0.0440.044
Hardness1010
Density3.523.52
Inclusions/BlemishesYesYes

What Are The Benefits Of A Lab-Grown Diamond?

Adding lab-grown diamonds to your offering can increase diamond sales and give customers a new selection to best fit their needs.

According to consumer research from The MVEye, a market research and strategic consulting firm within our industry, lab-grown diamond awareness and education is consistently increasing.*

With Berman’s excellent selection of loose lab-grown diamonds in a variety of sizes, shapes, and qualities, you can feel confident in meeting the demands of your customers with limitless options for a successful sale. Browse all in-stock options for lab-grown diamonds available with and without a grading report — rigorously tested and screened with your reputation in mind — and extend confidence to your customers with every request.

Benefits of Lab-Grown Diamonds with Reports

ID Number Security

Laser inscribed number offers the ultimate safeguard.

Buy with Confidence

All Lab-Grown Diamonds are hand selected and individually graded.

How Are Lab-Grown Diamonds Created?

Lab-Grown Diamond manufacturers operate in highly controlled lab environments using one of two methods: High Pressure High Temperature (HPHT) or Chemical Vapor Deposition (CVD).

Both processes begin with a diamond seed and result in a Lab-Grown Diamond. During the HPHT method, the scientist places the diamond seed in a growth chamber (apparatus), heats it to 2,700–3,100 degrees Fahrenheit, and exposes the seed to a pressure of 725,000 pounds per square inch, similar to the process that takes place in Earth’s mantle. The diamond seed remains under these intense conditions for varying lengths of time.

The CVD method of Lab-Grown Diamond creation begins with flat diamond slabs placed in a reactor. The reactor is injected with Methane gas. The gas is exposed to microwaves which cause it to break down into its comprising atoms and generate a carbon-rich plasma cloud. The carbon atoms in the plasma connect with the diamond slabs and create new layers, resulting in slow vertical growth.

Both the HPHT process and the CVD process produce Type IIa colorless Lab-Grown Diamonds, equal to some of the rare and sought-after types of Natural Diamond. These processes can also be adjusted to produce colored Lab-Grown Diamonds.

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