How to tell real gold?

What are the characteristics of a real pearl necklace and a fake pearl necklace? How can you tell the difference?

I have some uncut diamonds but I don't know how to test to see if they are real without spending money getting them valued or...

Hey deos that background look fake or real in my pic? Its real, because I was in the mountains a couple weelks ago. Tell me w...

I received one as a gift and was wondering how I can tell, other than going to the LV store, if it's the real deal?

I just want to know how can I tell if a diamon is real because I have a diamon but I"m not sure if it's real can you please ...

What are some of the Chemical Properties of White Gold?

I've heard the number on the inside tells you how valuable it is but how do I determine how good the number is?

How do you know if a diamond is real? Does it have colors?

How did the people on the gold fields during the gold rush stay clean and healthy?

Whenever I recieve a compliment I think the person is kidding. I think people think I'm rude because usually when they give m...