3K views · 78 reactions | GIA's D-to-Z color scale rates the colorlessness of a diamond. Jump into this short video to take a closer look! | GIA Education | Facebook

14K views · 850 reactions | GIA's clarity grading system was developed because jewelers were using terms that could be easily misinterpreted, such as "loupe clean" or "piqué™." Learn more with this 90-second video. | 4Cs of Diamond Quality by GIA | Facebook

85K views · 626 reactions | Did you know that a diamond's value is not determined by size alone? Two diamonds of equal carat weight can have very different values (and prices) depending on their clarity, cut, and color. That's why it's important to consider all 4Cs of diamond qualty when making a purchasing decision. | 4Cs of Diamond Quality by GIA | Facebook