Demantoid Garnet Buying and the Four Cs
Demantoid is the green variety of andradite garnet, with colors ranging from deep forest greens to light, nearly colorless hues. For this variety, the connoisseur’s most important consideration is the trade-off between depth of color and visible brilliance.
While demantoid has a higher dispersion than diamond, darker tones may obscure this effect. Still, medium-dark tones hold the highest value, where the green color is strongest. For those who prefer greater dispersion, a slightly lighter gem will sparkle strongly without much loss of color.
Although high clarity is always desirable, some connoisseurs and mineral enthusiasts will delight in the horsetails…