What are flawless diamonds?

Often one hears of flawless diamonds when purchasing a diamond engagement ring. but it is crucial to know about these diamonds so that you can choose to pick up them or not according to your budget and requirement of the ring. A flawless diamond is the one that has zero inclusions in it. Even under magnifying glasses, the inclusions are not seen at all. But such diamonds are rarely found in nature. This is the reason that flawless diamonds are highly expensive and beyond buying reach of common people.However, some flawless diamonds have scratches at the time of cutting them into a particular shape. Then, such diamonds are considered as having internal flaws. Due to these flaws, prices of the diamonds are lower and you can afford them for engagement rings. The external scratches can be covered by metal in bezel or other settings. Diamonds are given grades of VS1, VS2, SI, S2, I1 and I2 to show their degree of flaws, starting from flawless to slight flaws and ending up with bad clarity of diamonds. First four category diamonds can be safely picked up for engagement rings.