Choose Options Quick view King Willingham II Serinium® Beveled Edge 8mm Wedding Band with 2mm Red Center Inlay 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: $895.00 $525.00 Choose Options