Zircon is a natural gemstone that is often confused with the man made Cubic Zirconia. Please be aware that these are two completely different minerals. Zircon is a beautiful natural gemstone that has the fire of a Diamond and comes in many colors. The blue Zircon from Cambodia is by far the most popular of all of the colors of Zircon. It can show a sky blue color all the way through to a deep blue. Zircon s also popular as a diamond alternative because it can be found as a colorless stone. Since it also has fire like a diamond it acts as the perfect alternative. It is a highly sought after semi precious gem, which for centuries has been widely used in the creation and encrustation of jewelry and everyday items.