(CBS) --As you go shopping for a Mother's Day or graduation present and consider jewelry with rubies, do you really know what you're buying? Reporter Pam Zekman looked into complaints about the ...

"If you look at a top-quality, gem quality ruby versus the top quality of a diamond – let's say they're five carats each – the ruby is going to be much rarer and much more expensive than that ...

Rubies fused with glass have been sold as natural stones in department stores. Nov. 4, 2009— -- Imagine spending thousands of dollars on a piece of jewelry only to find out it's not what you paid ...

(TODAY SHOW)-- It's July, and if you have a birthday this month, the ruby is your birthstone. Rubies have been called the "king of gems," symbolizing strength, power and love. And they don't come ...