Modern solitaire blue tourmaline solid gold engagement ring - natural texture gold ring – tropical insect-inspired jewelleryThe delicate, natural texture of tropical insects give inspiration to this organic ring. The design features a raw textured pattern that flows all around the band, made in 18ct Fairtrade yellow gold and set with a bright, deep blue tourmaline. Material: Hallmarked 18ct solid Fairtrade yellow gold Gemstone: Blue tourmaline 5. 5 mm (0. 22in) in diameter Gold Setting: 7 mm (0. 27in) in diameter & 4 mm (0. 16in) high Band Dimensions: 4 mm (0. 16in) at