Sale Choose Options Quick view Bishop Litchfield Serinium® Rounded Edge Wedding Band with Hammered Finish Serinium® DurabilitySerinium® tough, hard and scratch-resistant. Serinium® is twice as hard as Cobalt Chrome, 5 times harder than Titanium, 6 times harder than Platinum, 7 times harder... MSRP: $675.00 $405.00 $300.00 Choose Options