Diamonds have long been the ultimate symbol of love and commitment, their sparkling brilliance forever linked to life’s most emotional moments. Thanks to decades of marketing genius—most notably from ...

Forbes contributors publish independent expert analyses and insights. Specialist in global markets, economics and alternative investments. Investors are grappling with unprecedented uncertainty due to ...

Two samples of carbon crystals, which are clear and give off a kaleidoscope of spectral colours under direct sunlight, may appear to be identical. However, one is a billion years old, and the other is ...