Sterling Silver, stamped .925 Platinum plated. Designer: Giuseppe Perez (marked GP with dark faceted stone set on interior of band. One 13mm X 19mm oval faceted shungite (main stone.) Twelve oval cabochon Ethiopian opals (approximately 3mm X 4mm each.) Twelve small faceted orange stones (6 on each side of the ring as accent stones- orange sapphire possibly. 9.80 ctw Size: 7 Approximately 28mm length from tip to tip, north/south. Has an under gallery. Good pre-owned condition. Has some minor scratches from wear. Elegant and beautiful! If you have questions, please comment below. Thanks for viewing!