Diamond rain screen lock Enjoy the breathtaking beauty of every stone on your diamond rainblind screen. In the annex, there are five extraordinary images of precious stones. Diamond - artificially decorated and polished diamond. In terms of jewelry business, diamonds are distinguished primarily by shades: pink, yellow, brown ("brown"), blue, crystal ("white"). The most valuable are diamonds without shades. No less important is the size of a diamond, which is determined in carats. The very first jewelry was made from natural materials such as bone, animal fowl, shell, tree, stone. Over time, in the manufacture of ornaments began to use metals, in particular - precious. Though over time, expensive and exotic jewelry began to be used as indicators of social status, they have not disappeared from the use of all strata of the population.