The value of a diamond is determined by four factors, commonly known as the four Cs:
Carat, Clarity, Colour and Cut.
Below is a brief overview, but one of our experts will be more than happy to go through these in more depth with you in-store.
CaratRefers to the weight of the diamond, but not necessarily the size.
Diamonds often contain unique marks - either internal (inclusions) or external (blemishes). 'Clarity' refers to the absence of these inclusions and blemishes, those without marks being extremely rare and therefore the most valuable.
Generally, the less 'Colour' a diamond has, the higher its value – with most commercial diamonds ranging from colourless to near-colourless.
CutThe resplendence of a diamond depends more on 'Cut' quality than any other factor. The GIA Diamond Cut Grading System assesses the 'Cut' of a diamond by seven criteria: Brightness, Scintillation, Weight Ratio, Polish, Durability, and Symmetry.