Choose Options Quick view Prince Linwood Serinium® Domed 8mm Wedding Band with Bark Finish and Black Ceramic Inlay Stone Finish Edge 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: $550.00 $540.00 Choose Options