Since then, diamond knowledge has grown steadily, with research by chemists, physicists, geologists, mineralogists, and oceanographers. The prospect of purchasing a diamond may seem daunting, but through gia, an unbiased authority on diamonds, you have several handy resources to help you select the highest quality diamond First up, an overview of the 4cs Color, clarity, cut, and carat weight. 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 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. The clarity of a diamond is based on the size, location, visibility and number of inclusions or blemishes Internal and surface reaching characteristics are called inclusions External features are called blemishes Precise clarity grading is the secret to accurately evaluating a diamond.
With a gia diamond grading report, you can confidently make your next diamond purchase. While choosing a diamond is a very personal decision, evaluating a diamond should always be a matter of precision At gia, we are incredibly proud that our 4cs of diamond quality continue to educate the diamond industry and most importantly, protect diamond consumers everywhere.
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