Diameter: 2.8 (71 mm). Guarantee: Our personal commitment to you. The item "SPHEREFACTOR Gorgeous AMETHYST Crystal Ball Sphere" is in sale since Tuesday, May 15, 2018. This item is in the category "Collectibles\Rocks, Fossils & Minerals\Crystals & Mineral Specimens\Display Specimens".The seller is "spherefactor2014" and is located in San Antonio, Texas. This item can be shipped worldwide.