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Natural Diamonds | Diamond Stone – GIA C Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA
Diamond Description Diamond forms under high temperature and pressure conditions that exist only within a specific depth range (about 100 miles) beneath the earth’s surface Diamond’s crystal structure is isometric, which means the carbon atoms are bonded in essentially the same way in all directions
Diamond History and Lore Diamond’s splendor has been appreciated for centuries, but there was not much scientific knowledge about it before the twentieth century Since then, diamond knowledge has grown steadily, with research by chemists, physicists, geologists, mineralogists, and oceanographers
Diamond Fun Facts Diamond crystals are brought closer to the Earth’s surface through volcanic activity Diamonds can be found in shallow alluvial deposits where the crystals settle after being transported away from the kimberlite pipes by geologic activity and rivers
GIA Diamond Research Diamond stands at the apex of the hardness scale with a value of 10 It also has the highest thermal conductivity and the highest molar density of any terrestrial material, as well as a high resistance to acids, corrosion, and radiation
Diamond - Gemological Institute of America what's in a name? Diamond [dye -mund] (noun) Diamond comes from the Greek word adamas which means “invincible ” For being the hardest material on earth, that is the perfect name for this gem!
GIA 4Cs Carat Weight For example, a 50-point diamond weighs 0 50 carats But two diamonds of equal weight can have very different values depending on the other members of the Four C’s: clarity, color and cut
Diamond Quality Factors The 4Cs describe the individual qualities of a diamond, and the value of an individual diamond is based on these qualities The terms that people use to discuss the 4Cs have become part of an international language that jewelry professionals can use to describe and evaluate individual diamonds
How to Buy A Diamond - GIA 4Cs It isn’t until a diamond is cut, that the real beauty of a diamond begins to take shape With a GIA Diamond Grading Report, you can confidently make your next diamond purchase
Understanding the 4Cs of Diamond Quality - GIA 4Cs GIA’s 4Cs transformed the way diamond quality is determined and communicated, forever changing how diamonds are evaluated, bought and sold The 4Cs are for everyone