This product is a unique 3.30ct natural green tourmaline loose gemstone in octagon shape, sourced from Mozambique. The gemstone is 100% natural and unheated, with a very good cut grade and SI clarity grade. It features a beautiful green color as pictured, making it a valuable addition to any jewelry or gemstone collection. Certification is available upon request, and the brand is from natural mine, ensuring the authenticity and quality of the gemstone.