This the the first wood ring with a black zirconium exterior and diamond inlay ever offered. The interior is ancient russian bog oak.
Until recently this design of wooden ring was not possible. Now any wood and metal ring can incorporate a small diamond inlay.
Oak options for this wood and cobalt ring with diamond inlay include: Jack Daniel's, Maker's Mark, Buffalo Trace, Woodford Reserve, Angel's Envy, The Macallan, and Old Rip Van Winkle. Wooden ring with bourbon barrel oak and cobalt diamond inlay.