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Lab-grown diamonds of various colors grown by the high-pressure-and-temperature technique. A synthetic diamond or laboratory-grown diamond (LGD), also called a lab-grown diamond, [1] laboratory-created, man-made, artisan-created, artificial, synthetic, or cultured diamond, is a diamond that is produced in a controlled technological process (in contrast to naturally formed diamond, which is ...
Apollo Diamond (defunct, assets sold in 2011 to Scio Diamond) [1] ALTR Created Diamonds [2] De Beers (Lightbox) [3] Diamond Foundry [4] Gemesis (now a non-producing reseller called Pure Grown Diamonds) [5] Scio Diamond Technology Corporation [6] (colorless) Tairus [7] WD Lab Grown Diamonds [8]
The actual chemical process for diamond growth is still under study and is complicated by the very wide variety of diamond growth processes used. Using CVD, films of diamond can be grown over large areas of substrate with control over the properties of the diamond produced.
The process just takes way less time (we’re talking a few months as opposed to billions of years), and the lab-grown diamonds have the same physical and chemical properties as natural diamonds ...
A tiny CVD seed diamond was placed at the bottom of the cylinder. The graphite was then subjected to extreme pressure, 850,000 lbf/in² (5.9 GPa) and temperature, 3,000 °F (1,650 °C) for four days. As the diamond was grown, the carbon atoms within the molten metal would crystallize on top of the seed diamond.
The company isn’t the only one seeing big sales from this category: Lab-grown diamond brand Brilliant Earth saw a 15.7 percent net sales increase in 2022, to $440 million.
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