When buying sapphire the most important thing to be considered is color. Sapphire gemstone comes in almost all colors ranging from white, pink, brown, peach, yellow, orange, violet, purple and green. However the blue color sapphire which has the color tones, from faint blue to deepest dark blue is the widely used one in jewelry industry. A pure cornflower blue is considered to be the most durable hue. In determining the value or preciousness of a sapphire, colors plays very important role. Fine gemstones of good color and clarity are rare and valuable. Sapphires which are too dark or too light are worth considerably les.