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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]Are lab diamonds indistinguishable from mined diamonds?[/quote]

A gemologist or experienced jeweler can tell the difference if certain inclusions are present. And you can tell the difference with a diamond tester -- lab diamonds do not conduct heat and electricity in the same way mined diamonds do (I believe this is because they form at an accelerated rate, but I'm not sure). But bottom line is going to be that certified lab diamonds are lasered with an inscription on the girdle to indicate they are a lab -- and that is easy enough for just about anyone to see with a loupe.

But for anyone who just wants to wear a diamond ring or bracelet or whatever, nowadays lab diamonds are going to be indistinguishable from mined ones if you are just looking down at them on your hand and aren't looking for that inscription on the girdle. [/quote]

Thanks for that explanation!  I’m considering replacing my engagement diamond with a lab diamond since I know if I try to sell it and/or upgrade, I’d never get anything comparable.  Wondering how a lab diamond would look with two mined diamond baguettes.[/quote]

It would look fine. You wouldn't see a difference because the diamond is a lab. (You need to be careful about color when matching with side stones, but that isn't a lab v mined issue.) I know a lot about diamonds and if I were to upgrade my ring today, I'd definitely get a lab. As far as selling -- you probably can't resell a lab stone; a mined diamond you can resell -- but you aren't going to get much of it's original price (or insurance price), maybe 20 - 30%. And that is now ... the market for diamonds is crashing completely due to the influx of labs (even with mined diamonds the rarity thing was false, a lie that kept market prices up, a lie/market that wasn't sustainable forever). I'm betting that the mined diamonds will all be close to worthless (at least compared to what we paid for them) within about 10 years. [/quote]

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