8.0 mm, Black Ceramic with Black Diamond Inlay in Black Carbon Fiber, with Comfort Fit. One of the most popular rings we carry for men!
Black Ceramic is a permanently polished product so durable that it is guaranteed to hold its shape and shine indefinitely.
Black Ceramic tings, like Tungsten rings are 10 times harder than 18 kt. Gold, 5 times harder than tool steel, and 4 times harder than Titanium.
Black Ceramic rings carry a Lifetime Warranty, Lifetime Sizing, and 30-day Return Policy.