These classic Comfort Fit Cobalt Rings are made from jewelry grade durable Cobalt Chrome. This band is made in the traditional domed design and has a finely polished finish. Cobalt rings are naturally white like white gold and are hypoallergenic. This ring can be worn as a Wedding Band or Promise Ring and is available in 4mm, 6mm, and 8mm. 

• Thorsten is proud to present the Cobalt Chrome Rings line.
• Cobalt is a new metal to be used in jewelry, ideal for men and women who are tired of rings that break or crack, and want a platinum color hypoallergenic ring.
• Please note: cobalt chrome rings do not break or crack, but can scratch, which is not covered by the lifetime warranty.