Gem stones are found in each shade within the spectrum. Most people will think of the principle three, when it comes to colored gems, namely rubies; emeralds and sapphires, however there are numerous different valuable stones in a wide range of colours and hues. You can find a considerable amount of colour variation within the range of one gem alone. As an example, the sapphire ranges in color from a deep navy blue to a really pale blue shade, according to the source of the gem, i.e. the precise mine it is removed from. Also, the sapphire, though more commonly blue, may be present in shades of yellow, pink and green!
Usually, probably the most coveted of those colored gem stones are these possessing the very deepest, vivid and richest shades of the color spectrum. Sapphires for instance can be considered most valuable when they’re a rich deep blue. The identical principal will apply to rubies. Whilst they could range from very pale to the deepest darkest black-red, the most highly-regarded shade is that which is known as “pigeon’s blood”. This refers to a deep blood colored red ruby that came from a mine in Myanmar (formerly Burma).
The highest worth emeralds are a sure deep shade of green, although emeralds could be found in a wide range of green, blue and yellow tones. Generally speaking all colored gems, or clear gems, rely heavily on the skills of the diamond technician to chop and polish the gem in such a way as to maximise the gems colors, their brilliance and beauty.
Additionally it is a common follow to reinforce gems, particularly colored varieties, using particle physics treatment methods and high heat. This is carried out in a specialist unit and is perfectly safe for the wearer of any treated gems. This boosts the colour saturation of gems quite substantially.
On the whole the deep richest colours will provide the most value in the gemstone. The optimum shade for amethysts will be a deep, regal purple. A pale lilac or lavender shade amethyst will not be as valuable.
Individuals, being people, are inclined to want a wide variation in shade and will quite usually choose a really light gem above its more valuable stronger colored version. This has the advantage of being less expensive to buy and provides more variation in gemstone stocks for jewelry. There are far more of the cheaper stones available than the costly ones. They may not be perfect for investment purposes but they are still all lovely in their own right.
Diamonds however are rated by how clear they are. The less color, the better the grade of diamond. This doesn’t apply in fact to a defined colored diamond akin to a pink diamond or a vibrant yellow canary diamond – also known as fancy diamonds. These are just as highly regarded as a pure clarity near-colorless diamond.
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