Nov. 28 -- Diamonds may be a girl's best friend, but thousands of women still lust for the timeless elegance and glamour of pearls. But can you tell a top-of-the-line strand from a second-rate ...

How to tell if pearls, diamonds, and gemstones are real Now that you’ve checked the metal, it’s time to see whether the pearls, diamonds, and/or gemstones on a piece of jewelry are real.