An elegant ring with American cubic zirconia and natural zircon on the sides.cubic zirconia is used as diamond stimulants. The man-made material is colorless, hard and flawless. While natural zircon is the birthstone of December and come in many colors; blue, green, red, brown, orange and yellow. It has metaphysical healing properties.Zircon was used to protect against robberies, bodily harm and diseases.