Quick view SALE Lord Whitwell Serinium® Beveled Edge 8mm or 10mm Wedding Band with Bark Finish $695.00 $400.00 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... Choose Options Add to Wish list