These very unique and rare colors are making a very special mark in the sapphire industry. This fancy-colored sapphire have been gaining prestige as a color of choice over the standard leading sapphire colors.
The greenish-blue and bluish-green colors combine extremely appealing hues of blue and green in varying percentages that create an endearing and lovely gemstone. In order to be classified as bluish-green, a blue sapphire must have a secondary color that accounts for more than 15 percent of its overall color. Likewise, a greenish-blue sapphire would be a green sapphire with a secondary hue of blue that accounts for more than 15 percent of its overall color.