13.16ct Square Cut Rubellite Tourmaline Loose Gemstone

Cut as a square, this 13.16 ct natural tourmaline puts proportion and color ahead of ornament. The square shape with heart, octagonal, square gives it a defined geometry. It is natural, untreated and unheated. It may be acquired as a loose gemstone or used as the starting point for a Hannaboya bespoke commission.