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Jewellery in Cambridge: Diamonds

Diamonds “are a girl’s best friend” or so Marilyn Monroe sang in “Gentlemen prefer blondes”. So what makes a good diamond? Well, a diamond’s quality is usually measured with the four “C’s”;  1) Carat. This is simply a measurement of the weight of a diamond with 1 carat equalling 200mg. Interestingly the term carat derives from the ancient Greek name for the Carob seed which was thought to sufficiently uniform to use as a measure for gemstones!  2) Clarity. Clarity relates to the purity of the diamond and whether there are inclusions or blemishes within the stone.  3) Colour. Diamonds are often valued by how colourless they are. The absence of colour enables white light to reflect and diffract better...

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