| Diamond is the hardest known naturally occurring | | | | variety of transparent hues colorless, white, steel, |
| stuff, scoring 10 on the relative Mohs scale of | | | | blue, yellow, orange, red, green, pink, brown or |
| mineral hardness and having an total hardness | | | | colored black. Diamonds with a detectable hue to |
| value of between 167 and 231 gigapascals in a | | | | them are known as colored diamonds. Colored |
| number of tests. Diamond's hardness has been | | | | diamonds have in it impurities |
| known ever since antiquity, and is the origin of its | | | | or structural defects that cause the coloration, |
| name. Nevertheless, aggregated diamond | | | | while pure or almost pure diamonds are |
| nanorods, an allotrope of carbon first synthesized | | | | transparent and colorless.The carat weight |
| in 2005, are now known to be even harder than | | | | measures the mass of a diamond. One carat is |
| diamond.The hardness of diamonds also | | | | defined as exactly 200 milligrams (about 0.007 |
| contributes to its suitability as a gemstone. | | | | ounce). The |
| Because it can just be scratched by other | | | | point unit equal to one one-hundredth of a carat |
| diamonds, it maintains its polish exceptionally well, | | | | (0.01 carat, or 2 mg) is commonly worn for |
| keeping its luster over extensive periods of time. | | | | diamonds of less than one carat.All else being |
| Unalike numerous | | | | equal, the value of a diamond increases |
| other gems, it is well-suited to everyday wear | | | | exponentially in relation to carat weight, because |
| because of its resistance to scratching perhaps | | | | larger diamonds are both rarer and much more |
| contributing to its reputation | | | | desirable for use as gemstones.The price per |
| as the preferred gem in an engagement ring or | | | | carat does not grow smoothly with increasing |
| wedding ring, which are many times worn every | | | | size. Instead, there are sharp jumps around |
| day.Unlike hardness, which sole denotes resistance | | | | milestone carat |
| to scratching, diamond's toughness is only fair to | | | | weights, as demand is much higher for diamonds |
| good. Toughness relates to a material's capacity | | | | weighing just more than a milestone than for |
| to resist breakage from strong impact. As with | | | | those weighing just under. As an |
| any material, the macroscopic geometry of a | | | | example, a 0.95 carat diamond may have a |
| diamond | | | | significantly lower price per carat than a |
| contributes to its resistance to breakage. | | | | comparable 1.05 carat diamond, because of |
| Diamonds cut into certain particular shapes are | | | | differences in demand.Huge amount of information |
| therefore much more prone to | | | | on Diamond Buying - check out for your self. |
| breakage than some others.Diamonds appear in a | | | | |