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More about Diamonds

When choosing diamonds for your wedding or engagment ring, it is useful to understand what to look for - so we have prepared a guide to help you choose the perfect rock for your ring.

The value of a diamond is decided by a combination of factors known as the 4 Cs: Carat, Colour, Clarity and Cut

The Carat is the raw weight of the diamond. However size is also important because or the rarity of large stones. One large diamond is almost four times more expensive than several smaller diamonds which add up to the same number of carats.

Colour also affects the value of the diamond. It is measured from D which is colourless and the most valuable through to G or H which is near colourless, to K-M which are faint yellow, right down to Z which is very yellow. Diamonds classified beyond Z are described as 'fancy' colours and are prized in their own right.

Clarity describes the number of flaws within the stone. This ranges from Fl and IF (flawless and internally flawless) to I3 (Imperfect).

You will find that some high street jewellers seem to offer diamond rings at fairly inexpensive prices. This is due to the lower quality of the stone - often I or J in colour (tending towards yellow) and SI2 in clarity (with flaws within the stone).

Our designers use diamonds which are a minimum of G or H in colour and VS or SI1 in clarity. You may specify higher grade diamonds if you prefer.

Cut. Diamonds may be cut into a number of different shapes, and which style of cut you choose is simply down to your own personal preference. It is the quality of the cut which will affect its value. A well cut diamond will be neither too squat nor too slim, and neither too deep nor too shallow, so that its sparkle is maximised. A 'Brilliant Cut' is the most frequently selected for engagement rings, its round shape and perfect cut showcasing the stone to perfection. Also popular is the typically-square-shaped 'Princess Cut', a contemporary cut that offsets the design of many rings very well.

Conflict Free Diamonds
"Conflict" or "blood" diamonds are diamonds which have been mined in conflict regions such as Sierra Leone and the Democratic Republic of Congo. They are exploited illegally by rebel groups to fund militias and arms. The Kimberley Process was set up to control trade of "conflict diamonds" to ensure that reputable shops do not buy from sources which encourage such activity. Our designers ONLY use diamonds which adhere to the Kimberley Process, which means they come from a source which does not fund conflict. ALWAYS ask a jeweller to guarantee, to the best of their knowledge, that their diamonds adhere to the Kimberley Process.

See also our guide to precious metals

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