Diamonds

The carat is the international unit used to measure the weight of a diamond. One carat equals exactly 0.2 grams, or 200 milligrams. But where does this unusual unit come...

When speaking of a white diamond, colour actually refers to the absence of colour. A perfectly colourless diamond allows light to pass through without interference, revealing its full brilliance. It...

Every diamond is unique. During its crystallisation — whether unfolding deep underground over millions of years or in a laboratory over several weeks — the stone acquires internal characteristics of...

Among the four criteria that define a diamond's quality — Colour, Clarity, Cut and Carat — Cut is the only one that results entirely from human craftsmanship. It is also,...