Synthetic Diamond
A syntetic diamond is a man-made material

A synthetic diamond is a man-made material which has the same chemical, physical, and optical properties as its natural counterpart. It is produced either by subjecting carbon-bearing material such as graphite to hight temperature and pressure or by the chemical vapor deposition (CVD) method.

The Swedish company Allmana Sevenska Elektriska Aktiebolaget (ASEA) is believed to have achieved the first repeatable synthesis of diamond in 1953, but their results were not published at the time; General Electric Company (GE) announced a successful synthesis of diamonds in 1954, followed by De Beers in 1959.

Colors range from black to dark green, light green, red, yellow, blue, and colorless (Type all diamonds). Millions of carats of industrial-quality synthetic diamond are now manufactured annually using high pressure techniques; gem quality synthetic diamonds have been produced experimentally by De Beers Diamond Research Laboratories, General Electric Company, and facilities in the C/S, and commercially by Sumitomo Electric Company.

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