In this Blog we will see how are lab grown diamonds made in laboratory.
As we know there two type of method for growing diamonds in lab. One is CVD - which known as chemical vapour deposition and another is HPHT which known as High Pressure and High Temperature method. First we will know about how CVD method works. For CVD Diamond Growing, Basic requirement is CVD Plasma Reactor and DIAMOND Seeds. Here diamond seeds are the thin layer of natural diamonds which is type2a, 100% purest Carbon form of diamond. We will put this diamond seeds in the diamond growing chamber. inside the chamber, plasma ball of super heated gases will be created. Heat inside the chamber will be increase with time, and will take it to the 900 degree centigrade plus and will keep increasing 1200 Plus.
Methane and hydrogen gases inside the chamber, high temperature inside the chamber will break the carbon bonds and seeds will start growing and diamond seeds size will be increased in 3-4 weeks of the time. Finally process will be completed and we will get the CVD rough. So first core processing will be done by water laser jet, Which known as CVD Core Laser Processing That black parts on the sides of cvd rough diamond, it will be removed without damaging the main part of diamond. and the pure CVD from the center part of diamond will be separated.
Now it is ready for the further process like inspection, signing, cutting and polishing. After it, Diamond will be ready to use in Jewellery. Another Method is HPHT, High Pressure and High Temperature method. Its bit Different than CVD Method Both type of diamonds are same as natural diamonds.
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