This is an authentic JOHN HARDY Sterling Silver Blue Topaz Batu Kali Large Square Ring. This large stylish ring is crafted of sterling silver with a 14mm blue topaz of 12.08 carat total weight, and an engraved border. This is a perfect ring with an elegant style only from John Hardy! Follow this item for alerts. John Hardy is a registered trademark of John Hardy. FASHIONPHILE is not affiliated with John Hardy.