Our stones are created as a result of fair laboratory practices in environmentally responsible conditions. The stones in jewelry are 100% hand-crafted, it is cut and polished by our experienced craftsmen. Around the center stone, there is a halo of exquisite small stones to highlight the magnificent bright of the main stone. Twisting arms make it special compare to ordinary designs. UNA&CO unique technology to make it feel like 100% platinum.The materials used are 30% platinum & 70% silver,which are anti-allergic, nontarnishable and antioxidant.