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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 ...
Synthetic diamonds are produced via high pressure, high temperature or chemical vapor deposition (CVD) technology. These diamonds have numerous industrial and commercial uses including cutting tools, thermal conductors and consumer diamond gemstones.
[10] [11] This contrasts with the method used by its primary diamond gemstone competitor of the 2000–2010 era, Apollo Diamond, which its grew gemstones using only CVD. [12] In the HPHT diamond-growing method that was used by Gemesis, carbon, in graphite form, was placed in a cylindrical "core". A tiny CVD seed diamond was placed at the bottom ...
The first lab-grown diamond was produced in the 1950s, and now, Dubai-based company 2DOT4 hopes to transform the city from a gem trader to a diamond producer. A tech company is growing diamonds in ...
Some high-end fine jewelers have gotten on board with the trend. In 2023, jeweler Jean Dousset, the great-great-grandson of Louis Cartier, opened a showroom with “designer” lab-grown diamonds ...
Cullinan produced stones of various cuts and sizes, the largest of which is named Cullinan I, and named the Great Star of Africa by Edward VII, and at 530.4 carats (106.08 g) it is the largest clear cut diamond in the world. The stone is mounted in the head of the Sovereign's Sceptre with Cross.
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