HEN IT COMES to diamonds and other precious gemstones, most are well aware of the four Cs: cut, carat, colour and clarity. Of the four, cut and carat are the least ambiguous. Cut refers to how the stone is faceted and carat refers to its weight. Wellcut stones are always symmetrical and balanced with good proportions. Colour, on the other hand, depends very much on the type of stone in question. Diamonds should ideally be
