Zircon is a well-known mineral that makes an important gemstone of many colors. Its brilliant luster and fire. Zircon occurs in many colors, including reddish brown, yellow, green, blue, gray and colorless. Zircons come in many colors, but blue is perhaps the most popular and expensive. Colorless Zircon is the purest form of the mineral and high quality, Diamond-like stones can be very rare. In fact, it is much rarer than Diamonds. Zircon comes closer to resembling Diamonds than any other Natural Gemstones. Its superior luster and intense fire give it a real sparkle that is comparable to a Diamond.