This KMr157 Diamond Dust Concrete ring is crafted from high-quality stainless steel and features a unique texture of diamond dust embedded in the concrete. The fusion of materials creates a durable and stylish piece, perfect for anyone looking for a statement ring. At 4mm wide, this diamond dust-and-concrete and stainless ring appears like a plain stainless band at first glance. Upon closer look, one sees the sparkling detail of diamond dust-infused?black concrete cast into the side of the band. Sizes available 5 ?C 12.?