We use environmental friendly lab grown CVD diamond, 3EX cutting enables the ring to shine magnificently.Carat total weight 0.23ct. 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. Simple fashional micro - inlaid ring arm design, each stone is skilled craftsmen set by hand. The stones won't fall off, test and quality assurance. This gently tapered CVD diamond band is perfectly proportioned to complement its matching engagement ring. Together they make a beautiful bridal duet.