Quick view Duke Wennington Serinium® Pipe Cut 8mm Wedding Band with 5mm 14K Gold Inlay Florentine Finish $2,200.00 $1,275.00 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