Description Stone(s): Rainbow Moonstone, Amethyst (Authentic) Setting Material: .925 Sterling Silver Stone Size: (Moonstone) 8mm Round (2), (Amethyst) 8-10mm x 5mm (4) Shape/Cut: Round Cabochon (Moonstone), Marquise & Pear Facet (Amethyst) Depth: 4-5mm Width: 11mm (the widest part) Length: 61mm Weight: 6.8 Grams (total weight of silver stone)