Chalcedony Value & Market Price
A market-wide average across qualities and sizes. Your stone's value depends on carat, color, clarity, cut, treatment, and origin.
About chalcedony
Chalcedony is a cryptocrystalline form of silica, known for its smooth texture and range of colors, including blue, white, and gray. It typically exhibits a waxy luster and is often cut into cabochons or beads, enhancing its natural beauty.
What is your chalcedony 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 chalcedony worth?
The GemstoneAI market index for chalcedony is $10 per carat as of 2026-08-17. 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 chalcedony 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 chalcedony a good investment?
Over the past 30 days the chalcedony index moved +0.0%. Gem prices move on supply, demand, and metal markets; treat any single stone as a collectible first and an asset second.