John Hardy Bamboo Lava Black Sapphire Station Bangle Bracelet Details John Hardy medium "Lava" bangle bracelet from the Bamboo Collection. Sterling silver. Slim bamboo-motif band with three open circle stations. Pav black sapphires at circle stations. Slip-on style. Imported. Designer About John Hardy: Inspired by the island of Bali, John Hardy incorporated traditional Balinese jewelry-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. Size: M. Color: Sapphire. Gender: Female. Age Group: Adult.