The ruby is known as the king of gemstones, symbolizing passion, love and strength. It's no wonder people pay big bucks to buy ruby rings and other jewelry, but are you always getting genuine rubies?

Marlene Dietrich’s iconic Van Cleef & Arpels ruby and diamond Jarretière bracelet sold at a Christie’s sale, titled “The Magnificent Jewels of Anne Eisenhower,” in New York on June 7 for ...