When the diamond ring on your neck is really a diamond ring

The necklaces you've been wearing might be worth more than you thought.The ring on the necklace might be a diamond, but it's not really a real diamond, and it might be wearing the wrong name.The word diamond has been used to describe the metal used to make the necklace since the mid-1800s.The phrase, coined by the American gemologist Alfred Wegener in 1903, has been around since the late 19th cent...