Hand made bespoke to order Zicuti is a very special type of Damascus, a mixture of titanium grade 2,5,7 and 9, Zirconium is an extremely corrosion resistant material that turns deep black when heated. I can make these rings in any shape size from 10mm to 4mm wide in rounded, inverted as pictured, bevel edge, obsidian etc, A complete design and build which would need a sizing visit to produce the perfect fit of your ring and various different colours can be achieved during the heat anodising process, from £250 contact me for details.