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Minded vs. Lab Grown Diamonds: How Are They Distinguish?

Lab Grown Diamond

The only difference between lab created diamonds and mined diamonds is that one is man made, created in laboratories, and the other is made under the surface of the Earth naturally.


So, can you easily identify if a diamond is mined or lab-grown? The answer is no. You cannot distinguish between the two with naked eyes. However, there are some ways in which you can identify its origin. We’ll tell you all about it in this blog.


Look at the inscription on the diamond girdle


One of the easiest ways to know whether it is a lab made diamond or a mined diamond is to examine the inscription on the girdle of the diamond.


Every diamond bought from an authentic retailer/ wholesaler would have an inscription. Diamonds grown in labs are inscribed as lab grown diamonds. There could be other terms used, too, such as lab made, lab created, cultured, created, etc.


However, this inscription is extremely small and may not be easily legible to the naked eye. Hence, you might need a magnifying glass or a special instrument to read this inscription.


The size of the inscription may vary depending on the size of the girdle. You may require 10x, 20x or 30x magnification to be able to read the inscriptions.


Most diamond retailers and wholesalers sell diamonds graded by laboratories. These diamonds are inscribed as lab grown diamonds. If the inscription is there, you can easily tell if it’s inscribed as lab created or mined.


Conduct expert tests


Diamond experts are skilled to identify the difference between man made diamonds and mined diamonds. There are some tests that labs can conduct.


Examine diamond fluorescence: Diamond fluorescence is the ability of the diamond to emit a soft colored glow when it is exposed to ultraviolet light. Fluorescence can be examined by experts in laboratories. There are a few indicators that help distinguish between the two diamonds.


The indicators are: lab grown diamonds have a tendency to fluoresce more than mined diamonds. The color reflected in the process of both types of diamonds is different. Lab made diamonds reflect orange, while mined diamonds reflect blue. These are intricacies that only diamond experts would know of and be able to examine.


It should also be noted that not all man made diamonds are real diamonds. Some are synthetic diamonds and are not real.


Check the diamond grading report


One of the best and easiest ways to tell if a diamond was created in a laboratory or if it was mined from the Earth is to look at its grading report.


Every authentic diamond, whether mined or lab grown, is graded and provided with a certificate of authenticity. Both lab made diamonds and mined diamonds are graded for the 4Cs – color, clarity, cut, and carat weight.


The diamond grading report should clearly mention the origin of the diamond as lab grown or mined. Some organizations that grade diamonds are the Gemological Institute of America (GIA), International Gemological Institution (IGI), Gemological Science International (GSI), among others. 


The price difference between diamonds


Another way to distinguish between lab made diamonds and mined diamonds is to check the price. Lab diamonds are at least 40 to 50 % less expensive than mined diamonds.


And so, if there are two diamonds – one, a lab diamond and the other, a mined diamond – of the same size and properties, the easiest way to tell the difference would be the price. The lab created diamond would be much cheaper than the mined diamonds.


Over to you


There’s not much difference between lab and mined diamonds that one can figure through the naked eye. But we’ve told you about a couple of ways in which you can distinguish between a lab grown diamond and a mined diamond.


So, the next time you buy a diamond, you can easily apply this knowledge and make an informed decision. Afterall, a diamond is a special investment, and you’d want to pick yours only after thoughtful consideration.

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