What is the difference between simulated diamonds, lab diamonds, luxe diamonds, and cubic zirconium? And what are they worth? I just got a necklace and set of earings made of either lab luxe or simulated diamonds what should they be worth per carat/by weight?

By: hockeyhoney5000

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Courtney asked:


And what is the difference (chemically) between lab-created diamonds and natural diamonds. I heard that most diamond experts cannot tell the difference between natural diamonds and lab-created. Is this true?

ALLARD