A stunning natural green tourmaline showcasing exceptional clarity and vibrant color. This 21.63-carat gemstone features a classic cushion cut with precise faceting that enhances its brilliant green hue. Measuring 15.0 x 10.6 x 8.5 mm, this African-sourced tourmaline remains completely unheated and untreated, preserving its authentic natural beauty. Eye-clean clarity makes it an ideal choice for fine jewelry or serious collectors seeking genuine, high-quality gemstones with timeless appeal.