Sale Choose Options Quick view King Elsworth Serinium® Beveled Edge Wedding Band Single Diamond with Stone Finish 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... MSRP: $1,100.00 $655.00 $485.00 Choose Options