Zircon comes last in the Alphabets of gemstone but has the brightest sparkle. Zircon has a wide range of colors including white, blue, yellow, orange, brown, rose and green. It is a gemstone with great ancient history and is a natural, magnificent and underrated gemstone. Blue Zircon is the most demanding Zircon also known as Starlite. A few gemstone verities in blue color comes with good hardness and brilliance. Blue Zircon is the most brilliant blue gemstone with a higher refractive index.