Buy Original Hessonite (Gomed) Ring Online. A type of grossular garnet known as “gomed” is identified by its distinctive honey-to reddish-brown hue, which is brought on by traces of manganese and iron. Regions like Africa, India, and Sri Lanka are where it is most common. With high temperatures and pressures during formation, the gemstone’s crystalline structure and remarkable beauty are the product of metamorphic rocks.