This beautiful Sterling Silver Ring Set, as part of the Arizona Blue Collection features Kingman Turquoise with a Blue Topaz. Engagement Ring Width: Top 5/8"; Shank 1/8" Band Width: 1/4"; Shank 1/8" The ring is designed by David Rosales, one of the finest contemporary Southwest Artists in the world. He is the founder and co-owner of Supersmiths, Inc. of Gallup, NM. Each ring is custom made and carries a lifetime guarantee. Turquoise Sterling Silver Jewelry With Center Stone, Blue Turquoise Gemstone Ring, Blue Turquoise Gemstone Ring Fine Jewelry, Blue Turquoise Gemstone Ring In Fine Jewelry Style, Sterling Silver Turquoise Ring With Gemstone Accents, Blue Turquoise Ring With Gemstone Accents In Sterling Silver, Blue Opal Ring With Inlay For Anniversary, Blue Opal Inlay Ring For Anniversary, Anniversary Blue Opal Ring With Inlay