1. Excellent workmanship 2. Shining in purity and clarity 3. High quality and Competitive Price Features:1.Consists of complete and regular cubo-octahedral crystals with high purity, high strength ,toughness, thermal stability and high impact resistance. 2.. rough diamond Applied to making tools for sawing hard stone, such as wire saw, stripe saw, and gang saw, big saw blade etc.For all kinds of ...