Spinelli Kilcollin's industrial-meets-delicate aesthetic has become the visually pleasing winner to beat in the world of fine jewelry. The Solarium ring boasts 925 sterling silver bands adorned with 18kt yellow gold (750/1000) ringlet details and striking round-cut sapphires in a pavé setting. Timeless yet mesmerizing, this piece is primed to become the base of your favorite layering stack.