Hawaii Wood & Opal Ring,HI-TECH Black Ceramic Ring with Blue Opal & Hawaiian Koa Wood Tri-Inlay (Opal-Wood-Opal) - 8mm, Dome Shape, Comfort Fitment,HI-TECH Black Ceramic Ring with Blue Opal & Koa Wood Tri-Inlay - 6mm, Dome Shape, Comfort Fitment,Hawaii Wood & Opal Ring,Tungsten Carbide Ring [6mm width] Fire Opal & Hawaiian Koa Wood Tri-In – ALOHA RINGS - Hawaiian Jewelry,