Square Sapphire Men’s Wedding Band | Black and Blue Tungsten Engagement Ring | Comfort Fit | Durable and Modern Ring for Him Bold and modern, this Men’s Black and Blue Tungsten Wedding Band features a brilliant square-cut sapphire cubic zirconia stone. With a brushed black finish and vibrant blue interior, this ring makes a powerful statement — perfect as a wedding band, engagement ring, or promise ring. Crafted from scratch-resistant tungsten carbide with a comfort fit interior, it’s built...