sterling silver earrings wholesale How Are Lab-Grown Diamonds Certified And Graded?

How Are Lab-Grown Diamonds Certified And Graded?
Some lab-grown diamonds undergo grading and certification similar to natural diamonds by adhering to the the 4Cs of cut, kejelasan, warna dan karat. After being sent to a gem lab that specializes in grading diamonds, lab-grown diamonds are graded independently by several of the lab’s gemologists. Afterward, the individual grades are compiled and compared to give the lab-grown diamond its final grade.

 

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