Comes with Certificate of Authenticity. Excellent quality. 14K solid Gold. Stamped 14K. Approximate weight 8 gm (varies with size) Sizes 6-14. IMPORTANT: It is highly recommended to confirm your ring size with a local jewelry store and be measured using a large flat men's sizing kit. Please view photos for an example. Please Note: Exchanges for a different size are possible with paying a $12 restocking fee. Returns accepted within 14 days. Item must be return in its original condition and box.