Cubic Zirconia

Cubic zirconia is the hard, optically flawless and colorless crystalline form of Zirconium Dioxide. It has remained a gemological and economical competitor of diamonds since the 1970’s due to its lower cost, durability and astonishing similarity to diamonds. Indeed, cubic zirconia is popular among jewelry makers as a synthetic gemstone. It is rapidly replacing expensive diamonds on rings, necklaces, pendants and earrings. It was German and Soviet scientists, who, in the late 18th century, melted zirconium oxide and yttrium oxide at a temperature of 2,750ºC, to form cubic zirconia crystals. Read More