A market-wide average across qualities and sizes. Your stone's value depends on carat, color, clarity, cut, treatment, and origin.
Aventurine is a form of quartz known for its shimmering, glimmering effect, often attributed to inclusions of mica or hematite. It typically exhibits a green hue, though it can also be found in shades of orange, brown, and blue, with a hardness of 7 on the Mohs scale, making it suitable for various jewelry applications.
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.
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The GemstoneAI market index for aventurine is $5.00 per carat as of 2026-09-27. 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.
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.
Gem prices move on supply, demand, and metal markets; treat any single stone as a collectible first and an asset second.