Since then, diamond knowledge has grown steadily, with research by chemists, physicists, geologists, mineralogists, and oceanographers. From the hope diamond to the spirit of the rose, the taylor burton and the lesotho promise, we are trusted by museums and top auction houses all over the world to grade and research nature’s finest treasures. 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. 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.
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. Important limitations all report check information is subject to these limitations Interested in getting your diamond graded by gia Diamond crystals are brought closer to the earth’s surface through volcanic activity