Diamonds are most often associated with jewelry, but their strength is highly sought in a variety of industrial applications: to cut, polish, and grind hard surfaces; to manipulate concrete, metal, ceramic, computer chips, eyeglasses, stones, and other gems; and as parts of surgical blades, heat spreaders, and specialty windows.
Even though 80% of the natural diamonds mined each year go toward industrial purposes, four times as many diamonds are synthetically created to also go toward industrial use. Approximately 25 million carats of natural diamonds go toward jewelry each year, another 80 million carats of natural diamonds go toward industrial use, and an additional 570 million carats of lab-manufactured synthetic diamonds are created for industrial purposes.
This does not mean synthetic diamonds should not be considered for jewelry. Prices are much lower than natural diamonds, and the quality can be worse or better than a natural diamond.
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