Demantoid garnet is a rare and highly prized gemstone known for its vibrant green colour and exceptional brilliance. It is a variety of the mineral garnet, specifically a green variety of andradite garnet. Demantoid garnets are renowned for their intense green hues, which range from yellowish-green to deep emerald green.

One of the most remarkable features of demantoid garnet is its high dispersion, often referred to as “fire.” This gemstone exhibits an impressive ability to scatter light into a spectral array of colours, creating a captivating display of brilliance and sparkle. Demantoid garnets possess a dispersion greater than that of diamonds, making them highly sought after by gem enthusiasts and collectors.