Diamond Education

Buying diamonds can be exhilarating, but choosing the perfect diamond can have its challenges if you’re not quite sure what to look for. At Diamond.com, we guide you every step of the way, making it easy for you to find diamond jewelry that fits both your budget and your personal style. Our extensive Education section provides you with the information you need to make informed decisions on your own, but if you prefer the help of one of our diamond advisors in real-time, we are also available to guide you by phone or live chat.

A diamond’s quality is typically evaluated according to four major characteristics: carat, cut, color and clarity. Experts rely on these characteristics, also known as the 4Cs, to objectively compare and grade diamonds. The 4C system was developed by the Gemological Institute of America (GIA) back in the 1940s and ‘50s, and is now considered an industry standard. The GIA is one of the world’s most respected authorities on diamonds, colored gemstones, and pearls, and it is this institution that certifies and grades the majority of Diamond.com’s loose diamonds. Since the slightest change in a diamond’s grading can significantly alter its value, understanding the 4Cs is key when choosing your diamond. The characteristics of one – carat, color, clarity, or cut – affects the others, which is why balancing each of the 4Cs is essential to finding the perfect diamond for your budget.

Diamond Certification
Loose diamonds from Diamond.com are graded by the world’s most respected grading entities: the Gemological Institute of America (GIA) and American Gem Society Laboratories (AGS). Each of our loose diamonds is accompanied by a grading report that includes a detailed explanation of the diamond’s characteristics, including the number of carats, the diamond’s color, its clarity, cut, and dimensions. A certified diamond’s quality is guaranteed, and this makes it more valuable than an uncertified stone. All of our diamonds are also procured from authorized sources and validated through the Kimberley Process, an international certification process that uses strict requirements to control the production of rough diamonds and prevent illicit stones from entering the legitimate diamond trade