Diamonds

Diamonds are evaluated by different characteristics :- Cut, Clarity, Colour and Carat weight.  These are often referred to as the four 'C's.

Cut - This refers to the reflective quality of a diamond and the resulting brilliance.

Clarity - When a diamond is being formed inner flaws can occur.  The frequency, size and visibility of these flaws determined the level of clarity.  Clearer diamonds give more brilliance and are consequently highly sought after.

Colour - Diamonds  that have no colour are the best as they refract the most light and provide the most brilliance.

Carrat - A diamond are measured in units of weight called carats.  Large diamonds are rare so they are priced to reflect this fact. 

Loose diamonds are available with a certificate.  These certificates are issued by an accredited gem laboratory and consist of a grading report which gives details of the quality of the diamond.