The diamond
A diamond is not more than a transparent crystal with an extreme hardness (2,417); it rates 10 on the Mohs scale of harness (Talc, the softest mineral, 1 on the Mohs scale). Nothing can scratch diamonds except another diamond. Due to its extreme hardness it resists scratching and so diamonds are often used for sharpening, boring, cutting and polishing other materials and diamonds. A diamond is a gemstone that exists of carbon (C). It is created inside the earth because carbon crystallizes under influence of high pressure and heat. Carbon exists on its turn out of burned wood, when squeezing this substance you get graphite. Graphite turns into diamonds when squeezing this under great heat (1300-2000 degrees of Celsius)
The graph here below gives us an overview of Mohs Scale:
Source:http://www.color-diamond-shop.com/txt
We know by now that a diamond is a rare gemstone. But how do the American women know how much their diamond engagements ring is worth?
In the first place is only 15%-20% of the found diamonds are useful for jewelries, so it’s already worthwhile receiving one and in the case of diamonds the size of a diamond does not tell you all! There are two possibilities, spending your money on the value per caret for a higher quality stone or you can spend your money on the size and receive a lower overall quality.
Besides that, the value of a diamond is based on four factors: Carat weight, Color, Clarity and Cut proportions. The first factor refers to the size; the others portray the gemstone’s quality.
Carat weight:
As the word already says, it is about the weight of the diamond. One carat is stands for 0.2 grams and one carat can be divided into 100 points meaning that when a ...