lab grown diamond rings
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Lab-grown diamonds, on the other hand, are an exact replication of natural diamonds and are being manufactured then resold by most “online” diamond suppliers. These suppliers act as “brokers” between the trade and you the customer, without having to invest in the diamonds themselves.
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Lab-grown diamonds are chemically, optically, and physically the same as mined diamonds, grown beneath the Earth’s surface—placing them among the world’s most coveted and celebrated gemstones. These extraordinary and exceptional gems are created to have the same color and clarity as a top tier mined diamond.
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lab grown diamond is nowadays created using two methods – CVD and HPHT. The complete creation usually takes less than a month. On the other hand, a natural diamond creation beneath the Earth’s crust takes billions of years.
The HPHT method uses one of these three manufacturing processes – the belt press, the cubic press and the split-sphere press. These three processes can create high pressure and temperature environment in which the diamond can develop. It begins with a diamond seed which is places into carbon. The diamond is then exposed to 1500° Celsius and pressurized to 1.5 pounds per square inch. Finally, the carbon melts and a lab diamond is created.
CVD uses a thin piece of diamond seed, usually created using the HPHT method. The diamond is placed in a chamber heated to about 800°C which is filled with carbon-rich gas, such as Methane. The gases then ionize into plasma. The pure carbon from the gases adheres to the diamond and crystallized.
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Lab-grown diamond, also known as lab-created diamonds, are diamonds grown inside a laboratory environment using advanced cutting edge technology that replicates the natural conditions under which real diamonds develop under the Earth’s surface. As a result, the lab-grown diamonds exhibit the same physical, optical and chemical properties. Because of that, lab-grown diamonds are considered genuine diamonds, unlike diamond simulants and synthetic diamonds, such as cubic zirconia or moissanite. Those are not optically and chemically identical to mined diamonds, and they sell at much lower prices than lab-grown diamonds.
