Black Diamond 100% Human Hair Weaving Rio Wave. We believe hair quality begins with raw materials and step-by-step quality control. Black Diamond is made from healthy and youthful hair, which goes through extensive processing methods to ensure exceptional quality. since cuticles are the main reason hair tangles, our exclusive methods ensure all hair cuticles are removed while the original, raw hair is aligned in the same direction. Because of our endless efforts to ensure the best product for you, Black Diamond will always deliver: Superior quality, full body, natural luster and long life. This beautiful texture is soft with a loose wave, which adds body and fullness. Your styling options are endless.