The emergence of synthetic diamonds has had a major impact on natural diamonds. The leading diamond company, De Beers, was not to be outdone.
By 1959, South Africa's De Beers began commercial production of lab created oval diamond in 1961, emulating the epitaxial growth technology of General Electric's synthetic diamonds.
In 1987, De Beers of South Africa synthesized a gem-quality diamond of 11.14 ct, and in 1990 it succeeded in synthesizing a single crystal of very good quality, weighing 14.2 ct.
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