Quick view Earl of Lusley Serinium® Pipe Cut 8mm Band with Bourbon Barrel Aged Wood and Blue Turquoise Inlay $1,450.00 $870.00 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