Austrian design and quality with 3 decades of tradition: inspired by the wish to offer all women exquisite accessories at affordable prices, the Oliver Weber jewelry mixes individualistic designs with amazing crystals and cubic zirconia to offer you the perfect blend of chic and elegance. Sterling silver – silver in highest quality. Our silver has a millesimal fineness of 925. The sterling silver alloy is 92.5% pure silver and 7.5% copper or other metals. Cubic zirconia – high precision cut crystals. AAA Zirconia is a term for artificially produced single crystals of zirconium (IV) oxide (formula: ZrO2, zirconium dioxide), which were stabilized in the cubic high-temperature phase. Cubic zirconia is used as a diamond imitation for jewelry and for the production of optical components