Quick view Lord Caenby Serinium® Beveled Edge 6mm, 8mm, or 10mm Wedding Band with Stone Finish $600.00 $360.00 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