Natural Green Tourmaline – 4.05 Carats This stunning natural tourmaline showcases a vibrant green hue in a beautifully proportioned oval cut. Measuring 11.8 x 10.0 x 6.4 mm, this 4.05-carat gemstone combines substantial presence with refined faceting that maximizes its color and brilliance. Sourced from Africa and completely unheated with no treatments applied, this tourmaline retains its authentic character. The moderately included clarity is typical of natural tourmaline and adds to its genuine appeal, making it an excellent choice for custom jewelry design or the discerning collector. Perfect for engagement rings, statement pendants, or bespoke gemstone collections.