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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 ...
Herbert Maxwell Strong (September 30, 1908, Wooster, Ohio – January 30, 2002, Schenectady, New York) was an American physicist and inventor, known as part of the General Electric (GE) team of researchers who synthesized diamonds in late 1954, as announced by GE in early 1955.
Gemesis Inc. was a privately held company located in New York City.The company grew synthetic diamonds using proprietary technology.. Gemesis had the world's largest facilities for both the high-pressure high-temperature (HPHT) and chemical vapor deposition (CVD) diamond production methods.
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.
The love for lab-grown diamonds. Anglo-American, a member of the Fortune 500 Europe, owns 85% of De Beers and is on a restructuring drive, which will include shedding the diamond business.
The Jones Diamond, also known as the Punch Jones Diamond, The Grover Jones Diamond, or The Horseshoe Diamond, was a 34.48 carat (6.896 g) alluvial diamond found in Peterstown, West Virginia by members of the Jones family. It remains the largest alluvial diamond ever discovered in North America.
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 ...
Black, Starr & Frost, previously known as Marquand and Co, is an American jewelry company. Founded in 1810 as Marquand and Co., the company is the oldest continuously operating jewelry firm in the United States. [1] [2] The company has acted as a retailer, rather than manufacturer, for most of its history. [3]