Color: It's one of the 4 C's that determines a diamond's rarity, and thus, price. Whether shopping for an engagement ring or other piece of diamond jewelry, doing some initial research can help you ask your jeweler informed questions. When doing diamond reconnaissance, especially if you're starting out online, the differences in diamond color can be tricky to visualize. You wonder, is this something I'll be able to see with the naked eye, and when a diamond is set into a piece of jewelry?
The Gemological Institute of America (GIA), one of the most well known diamond grading labs, developed the diamond color scale. They have a tool that can help make diamond color make more sense. Play around with their slider to watch the diamonds change color!