Good Diamond Info

For a diamond to be called good or very good there are certain features that must

be present otherwise the diamond will be called fair , poor or unusual.

To begin with the diamond must be able to refract light in such a way that the human eye will be able to pick up the fire or sparkle only present if the light refractive qualities are there to begin with.

The diamond will, therefore, need to be cut within pre-determined sets of proportions.

These sets of proportions will vary and when they vary too much from what has been noted as being acceptable then one can no longer talk in terms of a diamond with good or very good features but one with fair, poor or even unusual ones depending on how badly the diamond has been cut.

For a diamond to be pre-destined for good features it will very much depend on the rough diamond used in the cutting process, it is the shape of the rough diamond which will determine the future features of the fully cut stone and basically determine, in a commercial sense, what it will end up as, both in shape and with good or bad features which will determine its quality of cut and light refractive qualities.

So in technical terms the features of the brilliant cut diamond must have a table diameter of between 50% to 70%, a crown height of between 9% to 17%, a girdle thickness of between 1% to 7.5%, a pavilion depth of between 37.5% to 46.5% and a total depth of between 53% to 66.9%.

Other types of diamond cuts (shapes) will have different sets of proportions but I will not go into that as yet.

As you will see there is a huge difference between the top and bottom of the individual scales and the actual visual beauty of a diamond will depend on how these individual parameters actually work with one another.

Our experts at the Jewellery Web Shop will not select a diamond for you which will not represent very good visual beauty, unless of course price is very much an issue and that, as a customer, you insist on something less beautiful in reality but looking good on paper as on its certificate. In all cases you will be advised correctly and treated as you should, the customer is always a KING at the Jewellery Web Shop and our service is always the best.

by: George Ziadmann

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