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...
Coloured Diamonds
Diamonds are very popular in their well known white form, but they can also be pink, blue, yellow, green or, rarely, red. Coloured diamonds can be very valuable. By 1991, fancy coloured diamonds held 19 of the top 20 per carat price records at auction, beating white...WYLDE ART
