John Hardy, sterling silver classic chain ring with 18ct yellow gold accents. 7 mm wide. Finished weight: 8.90 grams. Ring size T. John Hardy: inspired by the island of Bali, John Hardy incorporated traditional Balinese jewellery-making techniques into his striking designs. The John Hardy collection, which is today under the guidance of Guy Bedarida, features earth-inspired handmade jewelry for men, women, and children. A company-wide focus on sustainability underscores its design motifs found in nature.