Ring in 18K white gold, 5,0 mm. Randi low is a classic ring with a low soft profile and striped surface. The sides are shiny. The ring is available in 3, 5, 7 and 9 mm width. A popular men's ring. This is 5 mm. Material: Whitegold Karat: 18K Stone: No Stone Dimensions: Ringband 5 mm. Does the piece come with certificate? No Can the piece be engraved?Yes