The Proteus cobalt wedding ring is an upscale stunning and elegant band. These cobalt rings are crafted with precision and meticulous detail. They feature a 2mm wide inlay of 18k yellow gold which encircles the ring. The cool white metal color of cobalt chrome provides this ring with cutting edge style. This ring is made to order so please allow 5 - 10 business days to manufacture and ship. Free Lifetime Warranty and Lifetime Sizing; pay no restocking fees or deductibles!