This is an authentic JOHN HARDY Sterling Silver Smoky Quartz Spinel Black Sapphire Batu Classic Chain Ring 54 7. The ring is crafted of sterling silver and features a quartz doublet stone consisting of hematite and rock crystal quartz framed by round cut smoky quartz, black spinel, and black sapphire stones. The ring also features a tapered link chain motif band. Follow this item for alerts. John Hardy is a registered trademark of John Hardy. FASHIONPHILE is not affiliated with John Hardy.