Demantoid Value & Market Price
A market-wide average across qualities and sizes. Your stone's value depends on carat, color, clarity, cut, treatment, and origin.
What is moving demantoid prices
- Metal Prices: weighing on prices
About demantoid
Demantoid is the green, chromium-bearing variety of andradite garnet, renowned for its exceptional brilliance and high dispersion (‘fire'). It typically occurs in vivid yellowish-green to deep green hues and is one of the most valuable garnet types.
What is your demantoid worth?
Market averages will not price your stone. GemstoneAI identifies gems and jewelry from a photo, checks authenticity and treatment signals, and gives you a real market valuation in seconds. Free to try.
How much is demantoid worth?
The GemstoneAI market index for demantoid is $2,403 per carat as of 2026-08-04. That is a market-wide average across qualities, not a quote for a specific stone. Individual value depends on carat, color, clarity, cut, treatment, and origin.
How can I tell if my demantoid is real?
Visual tests alone are unreliable. GemstoneAI analyzes a photo of your stone for identity, treatment indicators, and authenticity signals, then estimates market value. It is free to try.
Is demantoid a good investment?
Over the past 30 days the demantoid index moved +1.0%. Gem prices move on supply, demand, and metal markets; treat any single stone as a collectible first and an asset second.