Blue Sapphire (Neelam) is the strongest gemstone which shows instant impact which includes rise in wealth, solution for troubles, and increase in confidence. Neelam is the gemstone of Saturn (Shani Grah). Neelam should be worn with utmost caution. Blue sapphires available online are evaluated based upon the purity of their primary hue. Purple, violet, and green are the most common secondary hues found in blue sapphires. Violet and purple can contribute to the overall beauty of the color, while green is considered to be distinctly negative.

Blue sapphires with up to 15% violet or purple are generally said to be of fine quality. Gray is the normal saturation modifier or mask found in blue sapphires. Gray reduces the saturation or brightness of the hue, and therefore has a distinctly negative effect.