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Ruby is just one of the best-known as well as most desired gems. They have been made use of as attractive products because old times. The firmness of ruby and its high diffusion of light-- giving the ruby its particular fire-- make it beneficial for commercial applications as well as preferable as jewellery. Diamonds are such a highly traded product that numerous companies have been developed for grading and licensing them based on the four Cs, which are shade, cut, clarity, and also carat. Various other attributes, such as existence or absence of fluorescence, also affect the value and also therefore the worth of a diamond used for precious jewelry. Rubies are used in interaction rings. The technique is documented amongst European upper class as early as the 15th century, though ruby and also sapphire were even more preferable gems. The modern appeal of rubies was mainly created by De Beers Consolidated Mines, which developed the very first large diamonds mines in South Africa. Throug...