Ring Material:925 Sterling silver Main stone material:Natural Green amethyst Side stone:cubic zirconweight:approx.4gramPacking:1* Ring1*Jewelry Box, 1* Silver polish clothProduct Type:Rings for womenSize details:RING SIZE CHARTUS RING SIZE:7# Approx.Diameter:17.2mm Cirumference:53.9mmUS RING SIZE:8# Approx.Diameter:17.8mm Cirumference:55.9mmUS RING SIZE:9# Approx.Diameter:18.4mm Cirumference:57.7mmUS RING SIZE:10# Approx.Diameter:18.9mm Cirumference:59.5mm