ASTRUM Black Tungsten Ring with Crushed Blue and Purple Goldstone Inlay - 4mmIntroducing our ASTRUM Black Tungsten Ring featuring a stunning Crushed Blue and Purple Synthetic Goldstone Inlay 4mm. A perfect blend of sophistication and uniqueness. A flat shape denotes pieces with minimal 3D depth, showcasing smooth surfaces that often display decorative designs or engravings. Black tungsten jewelry offers a striking and contemporary aesthetic. The black finish is achieved through a PVD (Physical Vapor Deposition) process, which