


The Four 'C's' – Carat
Carats and points are the measurements of weight used when weighing gemstones. A carat is the equivalent of 0.2 grams. A quarter of a carat could be called 0.25 ct or 25 pts, there being 100 points to every carat. A one carat diamond is approximately 6.5 mm in...
The Four 'C's' – Clarity
When a diamond crystal is found, it will be examined for flaws which could be removed by shaping. Once the stone is cut, clarity can be assessed by an expert using a 10 x magnification lens. Some diamonds are classed as flawless, and this is the ideal grade. As we...
The Four 'C's' – Colour
Unlike other gems, diamonds are prized for their absence of colour. The colour of a diamond is graded by comparison with a master set of diamonds, according to an alphabetical scale which has ‘D’ as the most desirable, i.e. clear, colour and ‘Z’ as the least...
The Four 'C's' – Cut
Diamonds can be cut into an infinite variety of shapes. The shiny surface of a diamond plays only a small part in the glittering effect of a diamond. Most of the light falling onto a diamond passes into it. A well cut diamond means that this light is not lost through...