Flawlessly clear sapphire brilliant Round cut. 1 Carat will fit most rings. 6.5mm You would think this is a compromise, but sapphire is actually better than diamond in several key areas (not scratch resistance obviously) for instance sapphire has greater impact resistance. So if you hit your sapphire ring onto a railing (really hard) it’s less likely to chip or shatter. And with a hardness of 9M it’s not exactly scratch prone. Buy two for $200 and save perfect pair Lab Grown so it’s green and ethnical Free green local delivery included