Miners have unearthed a rare, two-colored natural diamond in Botswana — and experts say it likely formed in two stages. The diamond is half pink, half colorless. It measures about 1 by 0.63 by 0.57 ...

Many are familiar with the “four Cs” of a diamond: cut, color, clarity and carat weight. With the addition of Helzberg lab grown diamonds, ring shoppers can now benefit from a new “C” — choice — and ...