- 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
- 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
- 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
- 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 Origin
A diamond’s journey is every bit as fascinating as its sparkle GIA’s Diamond Origin and its related resources help you tell the story of the people in the country who brought you your diamond and helped make it shine
- Understanding the 4Cs of Diamond Quality - GIA 4Cs
GIA’s diamond grading provides the consistent and unbiased results that the global diamond industry and diamond customers trust Without strict standards, the characteristics, quality and value of a diamond would be left open to interpretation
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