Quick view Earl of Dinmore Serinium® Pipe Cut 8mm Wedding Band Bourbon Barrel Aged Wood Inlay and Bark Finish $1,100.00 $615.00 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