Where can I get this diamond detector device?

You can buy a basic diamond tester on amazon.com for about $12-15, they generally can tell the difference between a real diamond and CZ, crystal, glass, etc. They usually CANNOT tell the difference between moissanite and diamond however. You can pay more, say $120 or so and get one that can test that difference however.

But, really the best way is to goto a jeweler and get an opinion. They can use instruments, including optical test methods that can tell you if its a real diamond, if so how many carets, and if you like they could even give you a rough grading (color, clarity, etc)......
 

Hello JanineSalwin,

Welcome to the forum!

When detecting a beach or park and a “diamond” ring is found, I just bring it to a jeweler and with their experience/expertise can tell in an instant if it’s real or bling.

Regards,
 

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