This timeless engagement ring is a classic way to ask her for hand. The center stone is classic four prong setting. Full circle stones on the ring band makes it stunning from any angle. 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. UNA&CO unique technology to make it feel like 100% platinum.The materials used are 30% platinum & 70% silver,which are anti-allergic, non-tarnishable and antioxidant. The ring surface is smooth and comfortable for daily wear,will not scratch or hurt your finger.