Difference Between Lab Created Diamond and Natural Diamonds
Author:liliang Time:2018-01-31 09:03:34
Difference Between Lab Created Diamond and Natural Diamonds
If we want to clear the difference between Lab Created Diamond and Natural Diamonds, firstly we need to know how the diamonds are made?
Diamond is the hardest material in the world, most stable form of pure carbon.
natural diamond forms when pure carbon undergoes superhigh temperature and pressure over billions of years within earth's mantle.
Lab-Created diamond are grown in strictly controlled laboratory conditions with the high temperature and high pressure , simulated the growning environment of natural diamond, So the lab created diamond have the same chemical composition, crystal structure, optical and physical properties of diamond mined from underground. So the lab created diamond are not technically "Synthetic Diamond",because their chemical content is exactly same with natural diamond, and also with same purity, color grade.
Lab created diamond seperate into two types, one is high pressure, high temperature(HPHT); another is chemical vapor deposition(CVD) diamond, depends on the method of their production.
Lab-Created Diamond and natural diamond all have flaws?
Nearly all diamonds, natural and lab created aimond are all alike, have inclusions that affect their clarity. Natural diamond certified diamond gets assigned a clarity grade by the GIA or the AGS.
Lab created diamond are grown in a molten metal solution and as a result, they have metallic inclusions which can usually only be identified with 10X magnifications. metallic inclusions do not occur in diamonds that come from the ground.
Natural diamonds are grown in deep inside the earth, have inclusions like features, crystal, pinpoints and clouds that are caused by all kinds of element, only got small percentage of diamonds in perfect condition, with no inclusions.
How Long Does it take to "Grown"A Diamond?
Lab created diamond compare with natural grown diamond, the difference is the grown time.
Lab grown diamond takes one week, or several weeks for growing. and Natural diamond takes billions of years.