JR Dunn is an authorized John Hardy Jeweler. “Kali” means “river” in Balinese. Kali Jewelry is inspired by the smooth river rocks that line the beds of Bali’s rushing rivers. These beautiful stones with their soft, sensuous organic shapes are used to create Bali's hand-laid cobblestone walkways. Men's Silver Kali Black Sapphire Square Ring JOHN HARDY: VIEW ALL JEWELRY | ABOUT THE DESIGNER