by 
The Curious Bag
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Diamonds created in a laboratory are consistent with mined diamonds. They have the same composition and structure. They are grown in an eco-friendly way and conflict-free in machines that simulate the earth's diamond-creating processes at a much faster rate.
Creating
Grown diamonds are created using diamond seeds, mixed metals and powders, and extremely high heat and pressure. The seed, which is purified carbon, grows into a diamond.
History
The technology has been around for about 70 years; over time it has been improved and refined. Russians developed a press in the early 1990s that can produce one gem-quality diamond per cycle.
Presses
There are three types of presses that produce three different-quality diamonds. The belt and cubic presses produce diamonds used for industry. The BARS press is the Russian design which produces gem quality diamonds.
Eco-Friendly
Diamonds created in a lab avoid destruction of the environment. There is no disruption of water sources or eco-systems that happens with mining operations.
Conflict Free
Conflict diamonds come from war zones in Africa and Asia. Their profits are used to fund the wars. Tracing the origins of a diamond is difficult even with systems recently put in place. Labs created diamonds are conflict free.
Source:
D.NEA: About Laboratory Created Diamonds
CBSnews.com: Diamonds: Made In The USA
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