what color is sapphire blue
The Standard For Blue Sapphires. For a sapphire is to be called âblue,â its secondary colors (e.g. green or purple) must not account for more than 15% of its color. Sapphires that have secondary colors in greater quantity would be classified as greenish blue, purplish blue, violet, etc. These are known as âuniqueâ or âfancy coloredâ sapphires.