EVER FAITH 925 Sterling Silver Princess Cut Sapphire Color CZ September Birthstone Ring Blue [!]EVER FAITH is a US registered trademark and Ever Faith Jewelry is its only owner. We have SGS Professional Certification for our Sterling Silver Items. Customers could go to a professional agency for testing them. 925 Sterling Silver item is also suitable for sensitive skin to wear. Cubic zirconias are pronged and paved to the jewelry item to secure from loosing. Attachment Size: 1.1cm(0.4"). CZ Center Stone .79ct. Weight: 4g. WRAPPING: A Silver Polishing Cloth X A Gift Box X A Favor Bag. If you need assistance please contact us.