Diamond Facts

Buying diamonds is great, but there are many factors to consider before making your purchase. Please check out our brief guide to buying diamonds.

The 4 C’s are the most popular criteria for diamonds- these are:


weight which is the physical weight of the stone and often in well cut diamonds this does correspond with exact dimensions.


which is actually referring to the presence or absence of colour in white diamonds. Because a colourless diamond, like a clear window, allows more light to pass through it than a coloured diamond, colourless diamonds emit more sparkle and fire. The formation process of a diamond ensures that only a few, rare diamonds are truly colourless. Also something to consider within the colour of a diamond is whether of not it fluoresces. Fluorescence is an effect that is seen in approximately 50% of diamonds, when they are exposed to long-wave ultraviolet light they will fluoresce blue. The fluorescence also causes most of the diamonds to appear slightly hazy looking in normal daylight.


Most diamonds contain some inner flaws, or inclusions, that occur during the formation process. The visibility, number and size of these inclusions determine what the clarity of the diamond is. Diamonds that are clear create more brilliance, and are therefore more highly prized.


The Cut is probably the most important, and most challenging, of the four Cs to understand. The brilliance of a diamond depends on how well it has been cut; one of the main things for a well cut diamond is the symmetry of the facets. This is important because if the facets are not symmetrical then the light going into the diamond will not be reflected around inside the stone and then you do get a loss of brilliance.

There is nothing like choosing the diamonds yourself, talking to us about you requirements means we can get various stones for you to look at for comparison